Occupational and Environmental Medicine formerly BJIM VOLUME 351 Editor: Anne Cockcroft (United Kingdom) Technical Editor: Judith Haynes Editorial Assistant: Rachel Harvey Editorial Board: T C Aw (United Kingdom) R McNamee (United Kingdom) M Singal (United States) F J H Van Dik (Holland) J Myers (South Africa) D C Snashall (United Kingdom) J S Evans (United States) B Nemery (Belgium) O Svane (Denmark) R M Harrison (United Kingdom) T Okubo (Japan) G Theriault (Canada) J Jeyaratnam (Singapore) P Paoletti (Italy) K M Venables (United Kingdom) F Kauffmann (France) L Rosenstock (United States) Editor, British Medical Journal R L Maynard (United Kingdom) M Sim (Australia) BM] Publishing srOup VOLUME 51 - CONTENTS No 1 JANUARY 1994 Page Editorial 1 Occupational and Environmental Medicine Anne Cockcroft Airway hyperresponsiveness, prevalence of chronic respiratory symptoms, and lung function in workers exposed to irritants A M Kremer, T M Pal, ¥ S M Boleij, ¥ P Schouten, B Ricken Women’s respiratory health in the cotton textile industry: an analysis of respiratory symptoms in 973 non-smoking female workers William S Beckett, C Arden Pope, Xi Ping Xu, David C Christiani Cancer of the respiratory tract in nickel sinter plant workers: effect of removal from sinter plant exposure DavC iF dMui r, Ni Jadon, Fim A Fulian, Robin S Roberts Non-fibrous dust load and smoking in dental technicians: a study using bronchoalveolar lavage Martine Bernstein, Jean-Claude Pairon, Alfredo Morabia, Annie Gaudichet, Xavier Janson, Patrick Brochard The effect of occupational exposure to mercury vapour on the fertility of female dental assistants Andrew S Rowland, Donna Day Baird, Clarice R Weinberg, David L Shore, Carl M Shy, Allen ¥ Wilcox Residual neurobehavioural effects associated with chronic exposure to mercury vapour Reiko Kishi, Rikuo Doi, Yasuma Fukuchi, Hiroshi Satoh, Tsuyoshi Satoh, Akio Ono, Fumio Moriwaka, Kunio Tashiro, Naohiko Takahata, Harumi Sasatani, Higashi Shirakashi, Tersuhiro Kamada, Katsuo Nakagawa Exposure of workers to a mixture of toluene and xylenes. I metabolism Mei-Yuan Huang, Chui fin, Yu-Tang Liu, Bao-Hua Li, Qing-Shan Qu, Yoko Uchida, Osamu Inoue, Haruo Nakatsuka, Takao Watanabe, Masayuki Ikeda Exposure of workers to a mixture of toluene and xylenes. II Effects Zhen Chen, Shi-Fie Liu, Shi-Xiong Cai, Yi-Min Yao, Hong Yin, Hirohiko Ukai, Yoko Uchida, Haruo Nakatsuka, Takao Watanabe, Masayuki Ikeda Analysis of chromosomal aberrations in shoe workers exposed long term to benzene __Berrin Tiirkel, Unal Egeli Clinical reactions to Aspergillus niger in a biotechnology plant: an eight year follow up Anthony Seaton, Doreen Wales Sensorineural objective tests in the assessment of hand-arm vibration syndrome Kenneth L McGeoch, W Harper Gilmour, William Taylor Notice Effects of inhaled ceramic fibres on macrophage function of rat lungs Yasuo Morimoto, Hiroshi Yamato, Masamitsu Kido, Isamu Tanaka, Toshiaki Higashi, Akihiro Fujino, Yasuyuki Yokosaki Partion coefficients of some acetate esters and alcohols ir: water, blood, olive oil, and rat tissues 7 Kaneko, P-Y Wang, A Sato No 2 FEBRUARY 1994 Page Papers 73 Acute respiratory effects in the potato processing industry due to a bioaerosol exposure Albert Hollander, Dick Heederik, Henk Kauffman 79 Mortality in the British printing industry: a historical cohort study of trade union members in Manchester DA Leon 86 Notice 87 Lung cancer among newspaper printers exposed to ink mist: a study of trade union members in Manchester, England DA Leon, P Thomas, S Hutchings 95 Asbestos, cement, and cancer in the right part of the colon K fakobsson, M Albin, L Hagmar Neuropsychological effects of exposure to naphtha among automotive workers Roberta F White, Thomas G Robins, Susan Proctor, Diana Echeverria, Adrian S Rocskay Notice Enzymes induced by ethanol differently affect the pharmacokinetics of trichloroethylene and 1,1,1-trichloroethane T Kaneko, P-Y Wang, A Sato Concentrations of urinary metabolites in workers exposed to monochlorobenzene and variation in the concentration during a workshift Shinji Ki i, Ichiro M Urinary N-acetyl-f-D-glucosaminidase activity in workers exposed to inorganic lead K S Chia, A Mutti, Cynthia Tan, H Y Ong, }J eyaratnam, C N Ong, E Lee Vibration induced neurophysiological and electron microscopical changes in rat peripheral nerves Kwang-Yuan Chang, Shien-Tsong Ho, Hsin-Su Yu Indirect validation of a retrospective method of exposure assessment used in a nested case-control study of lung cancer and silica exposure M Dosemeci, } K McLaughlin, #-Q Chen, F Hearl, M McCawley, Z Wu, R-G Chen, K-L Peng, A-L Chen, S H Rexing, W F Blot Short report Lung cancer findings from the NIOSH study of United States cadmium recovery workers: a cautionary note Tom Sorahan, Robert Lancashire Correspondence SAS program for testing the difference between two correlated correlation coefficients James Lee Reproductive risks associated with diving W H Fames Occupational exposure to dust and lung disease among sheet metal workers Fon L Konzen Prevalence odds ratio v prevalence ratio UJf Strémberg Notices - New book announcements i Correction ! Radiographic abnormalities and mortality in subjects with exposure to crocidolite Nicholas H de Klerk, A William Musk, William O C M Cookson, Fohn ¥ Glancy, Michael S T Hobbs (1993;50:902-6) No 3 MARCH 1994 Page Papers 145 Cognitive-behavioural treatment for workers with chronic spinal pain: a matched and controlled cohort study in Sweden IB Jensen, A Nygren, A Lundin 152 Assessment of exposure to 2,4-dichlorophenoxyacetic acid in the chemical industry: results of a five year biological monitoring study D Knopp 160 Extrinsic allergic alveolitis and asthma in a sawmill worker: case report and review of the literature DM G Halpin, B ¥ Graneek, M Turner-Warwick, A $ Newman Taylor 165 Respiratory symptoms, immunological responses, and aeroallergen concentrations at a sawmill DM G Halpin, B F Graneek, ¥ Lacey, M # Nieuwenhuijsen, P A M Williamson, K M Venables, A ¥ Ni Taylor 173 Prediction of the comparative intensity of pneumoconiotic changes caused by chronic inhalation exposure to dusts of different cytotoxicity by means of a mathematical model BA Katsnelson, L K Konyscheva, N Ye Sharapova, LI Privalova Occupational exposure to water based paint and symptoms from the skin and eyes G Wieslander, D Norbdck, C Edling Ethanol induced modification of m-xylene toxicokinetics in humans _ R Tardif, A Sato, S Laparé, ¥ Brodeur Age specific interactions between smoking and radon among United States uranium miners Kyle Steenland Lung retention of cerium in humans 7 C Pairon, F Roos, Y Iwatsubo, X fanson, M A Billon-Galland, } Bignon, P Brochard Iron associated with asbestos bodies is responsible for the formation of single strand breaks in gyX174 RFI DNA L G Lund, M G Williams, R F Dodson, A E Aust Retention patterns of asbestos fibres in lung tissue among asbestos cement workers M Albin, F D Pooley, U Strémberg, R Attewell, R Mitha, L Johansson, H Welinder Four cases of mesothelioma among Finnish anthophyllite miners A Karjalainen, LO Meurman, E Pukkala Book review - Notices No 4 APRIL 1994 Editorials New instructions for authors Amn Cockcroft Indexing Occupational and Environmental Medicine Papers Survey of construction workers repeatedly exposed to chlorine over a three to six month period in a pulpmill: I. Exposure and symptomatology ¥-P Courteau, R Cushman, F Bouchard, M Quévillon, A Chartrand, L Bhérer Survey of construction workers repeatedly exposed to chlorine over a three to six month period in a pulpmill: II. Follow up of affected workers by questionnaire, spirometry, and assessment of bronchial responsiveness 18 to 24 months after exposure ended L Bhérer, R Cushman, J-P Courteau, M Quévillon, G Cété, ¥B ourbeau, ¥ L’Archevéque, A Cartier, J-L Malo Biological monitoring of cyclophosphamide and ifosfamide in urine of hospital personnel occupationally exposed to cytostatic drugs A S Ensslin, Y Stoll, A Pethran, A Pfaller, H Ré lt, G Fruh Airways obstruction, coal mining, and disability N L Lapp, WK C Morgan, G Zaldivar Findings from high resolution computed tomography of the lung and pleura of symptom free workers exposed to amosite who had normal chest radiographs and pulmonary function tests S Neri, A Antonelli, F Falaschi, P Boraschi, L Baschieri Pleural mesothelioma and exposure to asbestos: evaluation from work histories and analysis of asbestos bodies in bronchoalveolar lavage fluid or lung tissue in 131 patients (¥C Pairon, E Orlowski, Y Iwatsubo, MA Billon-Galland, G Dufour, S Chamming’s, C Archambault, } Bignon, P Brochard Exposure to polycyclic aromatic hydrocarbons in petrochemical industries by measurement of urinary 1-hydroxypyrene P ¥ Boogaard, N } van Sittert Chronic interstitial nephropathy after plasma cutting in stainless steel R Petersen, S Mikkelsen, O F Thomsen Case control study of risk factors for disease in the neck and shoulder area K Ekberg, B Bjérkqvist, P Malm, B Bjerre-Kiely, M Karlsson, O Axelson Chronic elemental mercury intoxication: clinical and field studies in lampsocket manufacturers Y-f Yang, C-C Huang, T-S Shih, S-S Yang Differences in the effects of two hexachlorobiphenyls on superoxide generation by polymorphonuclear leucocytes stimulated by N-formyl-methionyl-leucyl-phenylalanine and phorbol myristate acetate M Iwata, Y Nishthara, Y Watanabe, M Miyahara, K Saeki Retention and clearance of inhaled ceramic fibres in rat lungs and development of a dissolution model H Yamato, H Hori, I Tanaka, T Higashi, Y Morimoto, M Kido Impairment of lipoglycoprotein metabolism in rat liver cells induced by 1,2-dichloroethane D Cottalasso, G Banisione, L Fontana, C Domenicotti, M A Pronzato, G Nanni Correspondence Increase in neuropsychiatric symptoms after occupational exposure to low levels of styrene M Nasterlack, G Triebig Coal mining, emphysema, and compensation revisited N ¥ Wikeley The correction of urinary mercury concentrations in untimed, random urine samples H ¥ Mason, I M Calder Notices No 5 MAY 1994 Papers Research priorities in occupational medicine: a survey of United Kingdom medical opinion by the Delphi technique $M Harrington An investigation of brain tumours and other malignancies in an <gricultural research institute L Daly, B Herity, G F Bourke Sickness absence in diabetic employees at a large engineering factory C #M Poole, D Gibbons, I A Calvert A case-control study of chronic neuropsychiatric disease and organic solvent exposure in automobile assembly plant workers N A Nelson, T G Robins, R F White, R P Garrison Mortality in uranium miners in West Bohemia: a long term cohort study L Tomdiek, A ¥ Swerdlow, S C Darby, V Plaiek, E Kunz Mortality among a cohort of United Kingdom steel foundry workers with special reference to cancers of the stomach and lung, 1946-90 7 Sorahan, A M Faux, M A Cooke Mortality, morbidity, and haematological results from a cohort of long term workers involved in 1,3-butadiene monomer production S R Cowles, S P Tsai, P $S nyder, C E Ross Past exposure to asbestos and combustion products and incidence of cancer among Finnish locomotive drivers P Nokso-Koivisto, E Pukkala Exposure to stainless steel welding fumes and lung cancer: a meta-analysis B Sjégren, K S Hansen, H Kjuus, P-G Persson Clearance half life of mercury in urine after the cessation of long term occupational exposure: influence of a chelating agent (DMPS) on excretion of mercury in urine G Sdillsten, L Barregard, A Schiitz Fibrogenic effect of wollastonite compared with asbestos dust and dusts containing quartz M Cambelova, A Fuck Liver function tests and urinary albumin in house painters with previous heavy exposure to organic solvents I Lundberg, G Nise, G Hedenborg, M Hégberg, O Vesterberg Concentrations of phenol, o-cresol, and 2,5-xylenol in the urine of workers employed in the distillation of the phenolic fraction of tar G Bieniek The presence of 1-naphthol in the urine of industrial workers exposed to naphthalene G Bieniek Book review - Notice No 6 JUNE 1994 Papers Hand-arm vibration syndrome among travertine workers: a follow up study M Bovenzi, A Franzinelli, L Scattoni, L Vannuccini Vascular responses in chain saw operators K M McKenna, A D Blann, 7 A Allen A study of chromium induced allergic contact dermatitis with 54 volunteers: implications for environmental risk assessment J Nethercott, D Paustenbach, R Adams, } Fowler, }M arks, C Morton, ¥ Taylor, S Horowitz, B Finley Balance measured by head (and trunk) tracking and a force platform in chemically (PCB and TCE) exposed and referent subjects K H Kilburn, R H Warshaw, B Hanscom An updated cohort mortality study of workers exposed to styrene in the reinforced plastics and composites industry O Wong, L S Trent, M D Whorton Occupational asthma in salbutamol process workers RM Agius, A G Davison, E R Hawkins, A F Ni Taylor Quantitative relation between emphysema and lung mineral content in coalworkers 7 Leigh, T R Driscoll, B D Cole, R W Beck, B P Hull, ¥ Yang Occupational allergy after exposure to caddis flies at a hydroelectric power plant A Kraut, } Sloan, F Silviu-Dan, Z Peng, D Gagnon, R Warrington Benzene toxicokinetics in humans: exposure of bone marrow to metabolites K H Watanabe, F Y Bois, J M Daisey, D M Auslander, P C Spear Incidence of cancer among anthophyllite asbestos miners in Finland LO Meurman, E Pukkala, M Hakama Occupational risk factors for renal cell carcinoma: a case-control study A Aupérin, S Benhamou, C Ory-Paoletti, R Flamant Short report Temporal epileptic seizures and occupational exposure to solvents M Facobsen, ¥B aelum, ¥ P Bonde Correspondence Scientific objectivity and the chrysotile controversy B I Castleman Dust exposure and mortality in chrysotile mining, 1910-76 M Greenberg Notices - Book review No 7 JULY 1994 Editorial Occupational and Environmental Medicine and the London Faculty of Occupational Medicine Anne Cockcroft Papers Respiratory symptoms and ventilatory function in confectionery workers Eugentja Zuskin, Jadranka Mustajbegovic, E Neil Schachter, Fosipa Kern Relations between respiratory symptoms and sickness among workers in the animal feed industry Wendel K Post, Alex Burdorf, Ton G Bruggeling Biological monitoring of workers exposed to cobalt metal, salt, oxides, and hard metal dust D Lison, 7-P Buchet, B Swennen, ¥ Molders, R Lauwerys Determinants of benzo(a)pyrenediol epoxide adducts to haemoglobin in workers exposed to polycyclic aromatic hydrocarbons M Ferreira Junior, S Tas, M dell’Omo, G Goormans, }-P Buchet, R Lauwerys Pleural plaques and exposure to mineral fibres in a male urban necropsy population A Kanalainen, P ¥K arhunen, K Lalu, A Penttila, E Vanhala, P Kyyrinen, A Tossavainen Relation between lung asbestos fibre burden and exposure indices based on job history Ken Takahashi, Bruce W Case, André Dufresne, Richard Fraser, Toshiaki Higashi, Jack Siemiatycki Association of rotating shiftwork with preterm births and low birth weight among never smoking women textile workers in China Xiping Xu, Min Ding, Baoluo Li, David C Christiani Occupational paternal exposure to benzene and risk of spontaneous abortion / Stiicker, L Mandereau, M PAu bert-Berleur, F Déplan, A Paris, A Richard, D Hémon 479 Morbidity follow up study of BASF employees exposed to 2,3,7,8-tetrachlorodibenzo-p-dioxin (TCDD) after a 1953 chemical reactor incident Andreas Zober, M Gerald Ott, Peter Messerer 487 Dietary and ethanol induced alterations of the toxikokinetics of toluene in humans Ewa Wigaeus Hjelm, Agneta Léf, Akio Sato, Anders Colmsjé, Bengt-Ove Lundmark, Ake Norstrém 492 Biological effects of inhaled magnesium sulphate whiskers in rats Hajime Hori, Takahiko Kasai, Joji Haratake, Sumiyo Ishimatsu, Takako Oyabu, Hiroshi Yamato, Toshiaki Higashi, Isamu Tanaka 500 Renal toxicity and arterial hypertension in rats chronically exposed to vanadate Paolo Boscolo, Marco Carmignani, Anna Rita Volpe, Mario Felaco, Goffredo Del Rosso, Giovanni Porcelli, Giovanni Giuliano 504 Book review No 8 AUGUST 1994 Page Papers 505 Renal function and hyperfiltration capacity in lead smelter workers with high bone lead Harry Roels, Robert Lauwerys, Jozef Konings, Jean-Pierre Buchet, Alfred Bernard, Stuart Green, David Bradley, Wyn Morgan, David Chettle 513 Exposure of iron foundry workers to polycyclic aromatic hydrocarbons: benzo(a)pyrene-albumin adducts and 1-hydroxypyrene as biomarkers for exposure @ Omland, D Sherson, A M Hansen, T Sigsgaard, H Autrup, E Overgaard 519 A biological monitoring asessment of exposure to methylene dianiline in manufacturers and users ¥ Cocker, B P Nutley, H K Wilson 523 Occupational exposure to solvent mixtures: effects on health and metabolism Hirohiko Ukai, Shiro Takada, Shunen Inui, Yoshiko Imai, Toshio Kawai, Shin-ichiro Shimbo, Masayuki Ikeda 530 Cancer incidence and mortality among Swedish leather tanners Zoli Mikoczy, Andrejs Schiitz, Lars Hagmar 536 Endocrine function in mercury exposed chloralkali workers Lars Barregérd, Goran Lindstedt, Andrejs Schiitz, Gerd Sdillsten 541 Cancer mortality among workers in the meat department of supermarkets Eric S Johnson 548 Allergic airway disease in Italian bakers and pastry makers R de Zotti, F Larese, M Bovenzi, C Negro, S Molinari 553 Transient changes in the pulmonary function of welders: a cross sectional study of Monday peak expiratory flow A M Donoghue, W I Glass, G P Herbison 557 Emphysema and airway obstruction in non-smoking South African gold miners with long exposure to silica dust Eva Hnizdo, Gerhard K Sluis-Cremer, Eugene Baskind, Fill Murray 564 Investigation of the relative contributions of cigarette smoking and mineral dust exposure to activation of circulating phagocytes, alterations in plasma concentrations of vitamin C, vitamin E, and f carotene, and pulmonary dysfunction in South African gold miners A ¥ Theron, G A Richards, M S Myer, V L van Antwerpen, G K Sluis-Cremer, L Wolmarans, C A van der Merwe, R Anderson 568 Age and adjustment to night work Mikko I Harmd, Tarja Hakola, Torbjérn Akerstedt, Jarmo T Laitinen Correspondence 574 Use of the prevalence ratio v the prevalence odds ratio as a measure of risk in cross sectional studies Olav Axelson, Mats Fredriksson, Kerstin Ekberg 575 Notices 576 Book reviews - Correction No 9 SEPTEMBER 1994 Page Editorial 577 Occupational and environmental medicine: what is it? Peter ¥B axter Papers 579 Work related symptoms, sensitisation, and estimated exposure in workers not previously exposed to flour P Cullinan, D Lowson, M } Nieuwenhuijsen, C Sandiford, R D Tee, K M Venables, ? C McDonald, A ¥ Newman Taylor 584 Dust and flour aeroallergen exposure in flour mills and bakeries M ¥ Nieuwenhutjsen, C P Sandiford, D Lowson, R D Tee, K M Venables, ¥ C McDonald, A ¥N ewman Taylor 589 Work related symptoms, sensitisation, and estimated exposure in workers not previously exposed to laboratory rats P Cullinan, D Lowson, M } Nieuwenhuijsen, S Gordon, R D Tee, K M Venables, } C McDonald, A ¥ Newman Taylor 593 Exposure to dust and rat urinary aeroallergens in research establishments M ¥ Nieuwenhuijsen, S Gordon, R D Tee, K M Venables, ? C McDonald, A ¥N ewman Taylor 597 Management of occupational back pain: the Sherbrooke model. Results of a pilot and feasibility study Patrick Loisel, Pierre Durand, Lucien Abenhaim, Lise Gosselin, Robert Simard, Jean Turcotte, John M Esdaile 603 Hand-arm vibration syndrome and dose-response relation for vibration induced white finger among quarry drillers and stonecarvers M Bovenzi and the Italian Study Group on Physical Hazards in the Stone Industry 612 Traumatic work related fatalities in commercial fishermen in Australia Timothy R Driscoll, Guncha Ansari, James E Harrison, Michael S Frommer, Elizabeth A Ruck 617 Retrospective assessment of solvent exposure in paint manufacturing Deborah C Glass, Anne Spurgeon, Ian A Calvert, ohn L Clark, ¥M alcolm Harrington 626 Investigation of dose related neurobehavioural effects in paintmakers exposed to low levels of solvents Anne Spurgeon, Deborah C Glass, lan A Calvert, Mark Cunningham-Hill, }M alcolm Harrington 631 Occupational exposure to hydrocarbons and chronic pancreatitis: a case-referent study R McNamee, 3 M Braganza, 7 Hogg, I Leck, P Rose, N M Cherry 638 Increased albumin excretion in industrial workers due to shift work rather than to prolonged exposure to low concentrations of chlorinated hydrocarbons P ¥ Boogaard, M E $ Caubo Short reports 642 Lung cancer among iron ore miners in east Slovakia: a case-control study Jan Icsd, Matilda Széllésova, Tom Sorahan Fuller’s earth (montmorillonite) pneumoconiosis A R Gibbs, F D Pooley Correspondence Coal mining, emphysema, and compensation revisited Michael D Attfield, Thomas Hodous Mental retardation and parental occupation: a study on the applicability of job exposure matrices Laszlo Magos SAS program for testing the difference between two correlated correlation coefficients Marco dell’Omo Notices - Book review No 10 OCTOBER 1994 ___ Page Papers 649 Survey of methods and statistical models used in the analysis of occupational cohort studies Peter W Callas, Harris Pastides, David W Hosmer 656 Dental health in workers previously exposed to mercury vapour at a chloralkali plant Roy I Holland, Dag G Ellingsen, Marit L Olstad, Helge Kjuus 660 Longitudinal study of workers exposed to mercury vapour at low concentrations: time course of inorganic and organic mercury concentrations in urine, blood, and hair Nobuo Ishihara, Kenji Urushiyama 663 Use of molecular epidemiological techniques in a pilot study on workers exposed to chromium Min Gao, Leonard S Levy, Stephen P Faux, T Ching Aw, Robin A Braithwaite, Stanley S Brown 669 Comparison of measures of lead exposure, dose, and chelatable lead burden after provocative chelation in organolead workers Brian S Schwartz, Michael P McGrail, Walter Stewart, Theresa Pluth 674 Mortality of Sardinian lead and zinc miners: 1960-88 PL Cocco, P Carta, S Belli, G F Picchiri, M V Flore 683 Effect of air humidification on the sick building syndrome and perceived indoor air quality in hospitals: a four month longitudinal study Klas Nordstrém, Dan Norbdck, Roland Akselsson 689 Occupational hand dermatoses of hairdressers in Tainan City Yueliang Leon Guo, Bour-Fr Wang, ¥ Yu-Yun Lee, Shu-Yuan Chou Time to pregnancy and occupational exposure to pesticides in fruit growers in The Netherlands Johan de Cock, Karolien Westveer, Dick Heederik, Egbert te Velde, Roel van Kooy Evaluation of phosphine genotoxicity at occupational levels of exposure in New South Wales, Australia Anadergh Barbosa, Antonio M Bonin Upper airway irritation and small airways hyperreactivity due to exposure to potassium aluminium tetrafluoride flux: an extended case report UJlf Hjortsberg, Palle Orbak, Mans Arborelius Fr, Jan-Eric Karlsson Short reports Occupational respiratory diseases in British Columbia, Canada in 1991 Gustavo R Contreras, Roxanne Rousseau, Moira Chan-Yeung Death of a classified worker probably caused by overexposure to y radiation DC Lloyd, A A Edwards, E } Fitzsimons, C D Evans, R Railton, P Jeffrey, T G Williams, A D White, M Ikeya, H Sumitomo Correspondence Study of occupational lung cancer in asbestos factories in China Robert W Morgan, K E Zhao Notice - Book reviews No 11 NOVEMBER 1994 Page Editorial 721 Statistical and epidemiological reviewing Roseanne McNamee, Anne Cockcroft Papers 722 Use of multiple causes of death in the analysis of occupational cohorts—an example from the oil industry Lesley Rushton Neurophysiological assessment of divers with medical histories of neurological decompression illness A W Munrvison, E Glasspool, R ¥ Pethybridge, T ¥ R Francis, EM Sedgwick Effect of bis (tributyl tin) oxide on permeability of the blood-brain barrier: a transient increase Kazuo Hara, Miutsuaki Yoshizuka, Yoshiaki Doi, Sunao Fujimoto Exposure to benzene and urinary concentrations of 8-hydroxydeoxyguanosine, a biological marker of oxidative damage to DNA _ Susanna Lagorio, Christer Tagesson, Francesco Forastiere, Ivano Iavarone, Olav Axelson, Angelo Carere Ocular and nasal irritation in operatives in Lancashire cotton and synthetic fibre mills David Fishwick, Angela M Fletcher, C Anthony C Pickering, Robert McL Niven, E Brian Faragher Effects on health of a change from a delaying to an advancing shift system 7% Barton, S Folkard, L Smith, CFM Poole Questionnaire for the identification of back pain for epidemiological purposes RM Agius, M H Lloyd, S Campbell, P Hutchison, A Seaton, C A Soutar Reproductive effects of sodium borates on male employees: birth rate assessment M Donald Whorton, Jenifer L Haas, Lisa Trent, Otto Wong Postural stability of workers exposed to lead SE Chia, L H Chua, T P Ng, S C Foo, F Feyaratnam Survey of antimony workers: mortality 1961-1992 RD ones Asbestos fibres and man-made mineral fibres: induction and release of tumour necrosis factor-a from rat alveolar macrophages A G Ljungman, M Lindahl, C Tagesson Short report Polypropylene production workers and colorectal cancer in Germany: a brief report R Kaleja, L Horbach, ¥A msel Correspondence Absence of risk of colorectal cancer among workers at a UK polypropylene production plant # Bouskill Isotretinoin induced rubber glove dermatitis S Williams, S Wright Notices - Book reviews No 12 DECEMBER 1994 Page Review 793 Deposition and retention of inhaled fibres: effects on incidence of lung cancer and mesothelioma Morton Lippmann Papers Mortality among employees at a plastics and resins research and development facility Sally R Cowles, Shan P Tsai, Elizabeth L Gilstrap, Charles E Ross Malignant mesothelioma: attributable risk of asbestos exposure Robert Spirtas, Ellen F Heineman, Leslie Bernstein, Gilbert W Beebe, Robert ¥K eehn, Alice Stark, Bernard L Harlow, Jacques Benichou Genetic polymorphism for glutathione-S-transferase mu in asbestos cement workers K Jakobsson, A Rannug, A-K Alexandrie, L Rylander, M Albin, L Hagmar Distribution of urinary hippuric acid concentrations by ALDH2 genotype T Kawamoto, K Murata, M Koga, Y Hattori, Y Kodama Factors in the sociocultural environment of child labourers: a study in a small scale leather goods industry in Calcutta Sampa Mitra Disorders of the neck and upper limbs in women in the fish processing industry Kerstina Ohlsson, Gert-Ake Hansson, Istvan Balogh, Ulf Strémberg, Birgitta Palsson, Catarina Nordander, Lars Rylander, Staffan Skerfving Controlled, two year follow up of rehabilitation for disorders in the neck and shoulders Kerstin Ekberg, Bo Bjérkqvist, Per Malm, Birgitta Bjerre-Kiely, Olav Axelson Short report Non-differential misclassification of exposure always leads to an underestimate of risk: an incorrect conclusion Tom Sorahan, Mark S Gilthorpe Correspondence Use of the prevalence ratio v the prevalence odds ratio as a measure of risk in cross sectional studies James Lee, K S Chia Airways obstruction, coal mining and disability Morris Greenberg, A Seaton Notices - Book reviews - Indexes