Table Of Content

Occupational and Environmental Medicine VOLUME 54 United Kingdom G Theriault (Canada K M Venables (United Kingdom J-D Wang (Taiwan P Westerholm (Sweden Dp Editor, British Medical Journal VOLUME 54 - CONTENTS No 1 JANUARY 1997 Page Methodology 1 Preventive effectiveness of pre-employment medical assessments Wim de Kort, Frank van Dijk Papers Occupational exposure to magnetic fields in relation to mortality from brain cancer among electricity generation and transmission workers ¥~M Harrington, D I McBride, T Sorahan, G M Paddle, M van Tongeren Angiosarcoma of the liver in Great Britain in proximity to vinyl chloride sites Paul Elliot, Immo Kleinschmidt Prevalence of occupational lung disease among Botswana men formerly employed in the South African mining industry 7 W Steen, K M Gyi, N W White, T Gabosianelwe, S Ludick, G N Mazonde, N Mabongo, M Neube, N Monare, R Ehrlich, G Schierhout Relation between decline in FEV, and exposure to dust and tobacco smoke in aluminium potroom workers Vidar Seyseth, Facob Boe, Johny Kongerud Exposure to hydrogen fluoride: an experimental study in humans of concentrations of fluoride in plasma, symptoms, and lung function Kristin Lund, Jan Ekstrand, Jacob Boe, Per Sestrand, Johny Kongerud Dermal absorption of vaporous and liquid 2-methoxyethanol and 2-ethoxyethanol in volunteers Sanja Kezic, Karin Mahieu, Aart C Monster, Frederik A de Wolff People can detect poor air quality well below guideline concentrations: a prevalence study of annoyance reactions and air pollution from traffic Bertil Forsberg, Nils Syernberg, Stig Wall Prevalence of the sick building syndrome symptoms in office workers before and six months and three years after being exposed to a building with an improved ventilation system fean Bourbeau, Chantal Brisson, Sylvain Allaire Assessment of occupational exposure in a population based case-control study: comparing postal questionnaires with personal interviews BM Blatter, N Roeleveld,G A Zielhuis,A LM Verbeek Short reports Hepatitis A among workers from a waste water treatment plant during a small community outbreak Gaston De Serres, Denis Laliberté Transient increase of serum Clara cell protein (CC16) after exposure to smoke Alfred Bernard, Cedric Hermans, Guy Van Houte Correspondence Ingestion of herring leads to adsorption of pristane in humans Bengt Sjégren, Per Larsson, Zhiping Wang, Hakan Karlsson, Eva Grimvall Digestive tract neoplasms among employees with past exposure to brominated dioxins Andreas Zober, M Gerald Ott Factors affecting recognition of cancer risks of nuclear workers M O’Donnell Mesothelioma in a community in the north of England Morris Greenberg Biomarkers of exposure to low concentrations of benzene: a field assessment Eric S Fohnson Offspring sex ratios and reproductive hazards William H James Book reviews Notices No 2 FEBRUARY 1997 Methodology Measurement, evaluation, and assessment of occupational exposures to hand-transmitted vibration M F Griffin Diagnostics of hand-arm system disorders in workers who use vibrating-tools Gésta Gemne Papers Use of screening nerve conduction studies for predicting future carpal tunnel syndrome Robert A Werner, Alfred Franzblau, James WA lbers, Heidi Buchele, Thomas ¥A rmstrong Cancer incidence and mortality around the Pan Britannica Industries pesticide factory, Waltham Abbey P Wilkinson, B Thakrar, G Shaddick, S Stevenson, S Pattenden, M Landon, C Grundy, P Elliott Short term variations in hospital admissions and mortality and particulate air pollution Jo Wordley, Sarah Walters, Jon G Ayres Contamination of houses by workers occupationally exposed in a lead-zinc-copper mine and impact on blood lead concentrations in the families Massimo Chiaradia, Brian L Gulson, Kerrie MacDonald Survey of the use of personal protective equipment and prevalence of work related symptoms among dental staff fonathan Allsopp, Manish K Basu, Roger M Browne, P Sherwood Burge, John B Matthews Measurement of exposure to mouse urinary proteins in an epidemiological study Susan Gordon, Linda A Kiernan, M F Nieuwenhuijsen, A D Cook, Rosemary D Tee, A ¥}N ewman Taylor Correspondence Health hazards while fishing in heavy weather Olaf C Jensen Upper aerodigestive cancer in battery manufacturers and steel workers exposed to mineral acid mists James A Hathaway Do occupational exposures in nuclear refineries contribute to mortality from brain cancer? Robert Kusiak, Patrick Ashmore, Dalsu Baris Lung cancer in asbestos cement workers in Denmark Morris Greenberg Book reviews No 3 MARCH 1997 Methodology Methods for assessing the extent of exposure and effects of air pollution Michal Krzyzanowski Papers A case-control study to investigate the risk of leukaemia associated with exposure to benzene in petroleum marketing and distribution workers in the United Kingdom __ Lesley Rushton, Helena Romaniuk Retrospective estimation of exposure to benzene in a leukaemia case-control study of petroleum marketing and distribution workers in the United Kingdom Stephen ¥ Lewis, Gary M Bell, Neil Cordingley, Eileen D Pearlman, Lesley Rushton DNA single strand breakage, DNA adducts, and sister chromatid exchange in lymphocytes and phenanthrene and pyrene metabolites in urine of coke oven workers Walter Popp, Carola Vahrenholz, Christiane Schell, Gernot Grimmer, Gerhard Dettbarn, Rudolf Kraus, Andreas Brauksiepe, Barbara Schmeling, Thomas Gutzett, Fuliane von Biilow, Klaus Norpoth Risk of lung cancer among masons in Iceland Vilhjalmur Rafnsson, Holmfridur Gunnarsdottir, Mina Kilunen Increased risk of lung cancer among male professional drivers in urban but not rural areas of Sweden Robert Fakobsson, Per Gustavsson, Ingvar Lundberg Lung cancer mortality in a cohort of workers employed at a cadmium recovery plant in the United States: an analysis with detailed job histories Tom Sorahan, Robert ¥ Lancashire Occupational exposure to ionising radiation and mortality among workers of the former Spanish Nuclear Energy Board Fernando Rodriguez Artalejo, Santiago Castatio Lara, Belén de Andrés Manzano, Margarita Garcia Ferruelo, Luis Iglesias Martin, Juan del Rey Calero The mortality of Royal Naval submariners 1960-89 Hazel Inskip, Michael Snee, Leslie Styles Correspondence Cancer mortality among workers in the German rubber industry R Frentzel-Beyme Notices No 4 APRIL 1997 Methodology Occupational exposure limits for chemicals in the European Union W # Hunter, G Aresini, R Haigh, P Papadopoulos, W Von der Hude Papers Congenital malformations and maternal occupation: a registry based case-control study Fabrizio Bianchi, Domenico Cianciulli, Anna Pierini, Adele Seniort Costantini Are aluminium potroom workers at increased risk of neurological disorders? Malcolm Sim, Robert Dick John Russo, Bruce Bernard, Paula Grubb, Edward Krieg Fr, Charles Mueller, Charles McCammon Experimental exposure of male volunteers to N-methyl-2-pyrrolidone (NMP): acute effects and pharmacokinetics of NMP in plasma and urine B Akesson, K Paulsson 5-Aminolevulinic acid dehydratase genotype modifies four hour urinary lead excretion after oral administration of dimercaptosuccinic acid Brian S Schwartz, Byung-Kook Lee, Walter Stewart, Pornchai Sithisarankul, Paul T Strickland, Kyu-Dong Ahn, Karl Kelsey Correlation between “’Tc”"-HMPAO-SPECT brain image and a history of decompression illness or extent of diving experience in commercial divers 7 G Shields, P M Duff, S A Evans, H G Gemmell, P F Sharp, F W Smith, R T Staff, S E Wikock A meta-analysis of the relation between cumulative exposure to asbestos and relative risk of lung cancer Timothy L Lash, Edmund A C Crouch, Laura C Green Cancer mortality among magazine printing workers Daniéle Luce, Marie-France Landre, Thierry Clavel, Isabelle Limousin, Sylvie Dimerman, Fean-Facques Moulin Influence of body mass index and work activity on the prevalence of median mononeuropathy at the wrist Robert A Werner, Alfred Franzblau, James W Albers, Thomas ¥ Armstrong Physician based surveillance system for occupational respiratory diseases: the experience of PROPULSE, Québec, Canada Simone Provencher, France P Labréche, Louise De Guire Short reports Episode of toxic gas exposure in sewer workers Monika M Watt, Stephen F# Watt, Anthony Seaton Effects of acute exposure to ultrahigh radiofrequency radiation on three antenna engineers Christopher F Schilling Correspondence Is vinclozolin a reproductive hazard to men? William H Fames Modifiers of non-specific symptoms in occupational and environmental syndromes J W F van der Gulden, P F F Vogelzang Notices Book reviews No 5 MAY 1997 Methodology Time to pregnancy: a measure of reproductive function in either sex Michael Joffe, Asclepios project Papers Changes in respiratory function after one and three hours of exposure to formaldehyde in non-smoking subjects Farhang Akbar-KhanzadehJe,a n S Mlynek Occupational asthma in New Zealanders: a population based study D Fishwick, N Pearce, W D’Souza, S Lewis, I Town, R Armstrong, M Kogevinas, ¥ Crane Structural nerve changes at wrist level in workers exposed to vibration Trygve Strémberg, Lars B Dahlin, Arne Brun, Goran Lundborg Nerve injury induced by vibration: prevention of the effect of a conditioning lesion by D600, a Ca” channel blocker A Widerberg, S Bergman, N Danielsen, G Lundborg, L B Dahlin Occupational factors related to shoulder pain and disability Daniel P Pope, Peter R Croft, Christina M Pritchard, Alan F Silman, Gary 3 Macfarlane Humidification and perceived indoor air quality in the office environment Leena M Reinikainen, Leena Aunela-Tapola, Joumi ¥ K Faakkola Relapse and short sickness absence for back pain in the six months after return to work Claire Infante-Rivard, Monique Lortie Latex allergy: epidemiological study of 1351 hospital workers Gary M Liss, Gordon L Sussman, Ken Deal, Shirley Brown, Maureen Cividino, Sidney Siu, Donald H Beezhold, Gordon Smith, Mark C Swanson, Fohn Yunginger, Andrew Douglas, D Linn Holness, Phyllis Lebert, Paul Keith, Susan Wasserman, Kristuna Turjanmaa Evaluation of the Q16 questionnaire on neurotoxic symptoms and a review of its use Ingvar Lundberg, Margareta Hégberg, Hans Michélsen, Gun Nise, Christer Hogstedt Study of business ethics in occupational medicine Robin Philipp, Gavin Goodman, Kit Harling, Brian Beattie Correspondence A bibliometric study of the trend in articles related to epidemiology published in occupational health journals Anne Sizaret, Francine Kauffmann The influence of retained mass (lung burden) on the results of intratracheal tests Seren Lund Jensen, Marianne Guldberg Electromagnetic fields and cancer: incorrect citations fames R Fauchem Notice Book review No 6 JUNE 1997 Methodology Biological monitoring: state of the art Perrine Hoet, Vincent Haufroid Review Health and safety problems associated with long working hours: a review of the current position Anne Spurgeon, ¥ Malcolm Harrington, Cary L Cooper Papers Pulmonary toxicity of components of textile paint linked to the Ardystil syndrome: intratracheal administration in hamsters F L Clottens, E K Verbeken, M Demedts, B Nemery Mortality of doctors in different specialties: findings from a cohort of 20 000 NHS hospital consultants Lucy M Carpenter, Anthony ¥ Swerdlow, Nicola T Fear Lung cancer in relation to employment in the electrical utility industry and exposure to magnetic fields David A Savitz, Vincent Dufort, Ben Armstrong, Gilles Thériault Routes of asbestos exposure and the development of mesothelioma in an English region Denise Howel, Lorna Arblaster, Layinka Swinburne, Martin Schweiger, Edward Renvoize, Paul Hatton Progression of pleural and parenchymal disease on chest radiographs of workers exposed to amosite asbestos ¥ Robert Shepherd, Gunnar Hillerdal, Jerry McLarty Respiratory health effects of opencast coalmining: a cross sectional study of current workers RG Love, B G Miller, S K Groat, S Hagen, H A Cowie, P P Johnston, P A Hutchison, C A Soutar In vivo analysis of cadmium in battery workers versus measurements of blood, urine, and workplace air F Bérjesson, T Bellander, L Farup, C G Elinder, S Mattsson Urinary neutral endopeptidase in workers exposed to cadmium: interaction with cigarette smoking Foélle Nortier, Alfred Bernard, Harry Roels, Monique Deschodt-Lanckman, Christiane Gueuning, Robert Lauwerys Minimal immunological effects on workers with prolonged low exposure to inorganic mercury L Soleo, A Vacca, L Vimercati, S Bruno, M Di Loreto, C Zocchetti, R Di Stefano, G Candilio, G Lasorsa, G Franco, V Foa' Surveillance of nasal and bladder cancer to locate sources of exposure to occupational carcinogens Kay Teschke, Michael S Morgan, Harvey Checkoway, Gary Franklin, John F Spinelli, Gerald van Belle, Noel S Weiss Self reported respiratory symptoms and diseases among hairdressers Timo Leino, Lauri Tammilehto, Ritva Luukkonen, Henrik Nordman Book review, Notices No 7 JULY 1997 Methodology Lung function testing: methods and reference values for forced expiratory volume (FEV') and transfer factor (T.) 4 E Cotes, D ¥ Chinn, ¥ W Reed Papers Occupational exposure to dust: inflammation and ischaemic heart disease Bengt Sjégren Mortality of workers exposed to methylene chloride employed at a plant producing cellulose triacetate film base John A Tomenson, Susan M Bonner, Colin G Heine, David G Farrar, Trevor F Cummings Laryngeal and hypopharyngeal cancer and occupation: results of a case-control study Paquerette Goldberg, Annette Leclerc, Daniéle Luce, Jean-Frangots Morcet, Jacques Brugére Contrast sensitivity measurement in evaluations of visual symptoms caused by exposure to triethylamine Pekka Farvinen, Lea Hyvdrinen Effects of low level exposure to lead on neurophysiological functions among lead battery workers Tero Kovala, Esko Matikainen, Tarmo Mannelin, Jari Erkkilad, Vesa Ruhimaki,Helena Hanninen, Antero Aitio No increased DNA damage in peripheral lymphocytes of sewage workers as evaluated by alkaline single cell gel electrophoresis Lennart Friis, Hamid Vaghef, Christer Edling, Bjorn Hellman Medical insurance claims associated with international business travel Bernhard Liese, Kenneth A Mundt, Linda D Dell, Lorraine Nagy, Bernard Demure Priorities in occupational health research: a Delphi study in The Netherlands Allard } van der Beek, Monique H W Frings-Dresen, Frank ¥ H van Dyk, Irene L D Houtman Risk of stillbirth from occupational and residential exposures Lisa M Pastore, Irva Hertz-Picciotto, James ¥ Beaumont Carpal tunnel syndrome: what is attributable to work? The Montreal study Michel Rossignol, Susan Stock, Louis Patry, Benedict Armstrong Short report In vitro percutaneous penetration of methyl-parathion from a commercial formulation through the human skin P Sartorelli,C Aprea, R Bussami,M T Novelli, D Orsi, G Sciarra Notices Corrections Book reviews No 8 AUGUST 1997 Review Does occupational exposure to iron promote infection? Keith Palmer, David Coggon Papers Daily time series for cardiovascular hospital admissions and previous day’s air pollution in London, UK Jan D Poloniecki, Richard W Atkinson, Antonio Ponce de Leon, H Ross Anderson Risk of spontaneous abortion in women occupationally exposed to anaesthetic gases: a meta-analysis Jean-Francois Boivin Exposure and mineralogical correlates of pulmonary fibrosis in chrysotile asbestos workers Francis H Y Green, Russell Harley, Val Vallyathan, Rochelle Althouse, Gordon Fick, John Dement, Ravi Mitha, Fred Pooley Electron microscopic microanalysis of bronchoalveolar lavage: a way to identify exposure to silica and silicate dust E Monsé, A Carreres, } M Tura, J Ruiz, ¥F iz,C Xaus, M Llatjos, 7M orera Haemodynamic changes in ipsilateral and contralateral fingers caused by acute exposures to hand transmitted vibration Massimo Bovenzi, Michael } Griffin Changes over a workshift in aesthesiometric and vibrotactile perception thresholds of workers exposed to intermittent hand transmitted vibration from impact wrenches Massimo Bovenzi, Piero Apostoli, Grazia Alessandro, Oscar Vanoni Mortality in a cohort of tannery workers Fabio Montanaro, Marcello Ceppi, Paul A Demers, Riccardo Puntoni, Stefano Bonassi Mortality from pancreatic and lymphopoietic cancer among workers in ethylene and propylene chlorohydrin production Geary W Olsen, Susan E Lacy, Kenneth M Bodner, Monica Chau, Terri G Arceneaux, Janice B Cartmill, Jonathan M Ramlow, Jeffrey M Boswell A nested case-control study of fatal work related injuries among Brazilian steel workers S M Barreto, A ¥ Swerdlow, P G Smith, C D Higgins Risks of beryllium disease related to work processes at a metal, alloy, and oxide production plant Kathleen Kreiss, Margaret M Mroz, Boguang Zhen, Herbert Wiedemann, Barbara Barna Hexachlorobenzene and octachlorostyrene in plasma of aluminium foundry workers using hexachloroethane for degassing Anders I Seldén, Yvonne Nygren, Hakan B Westberg, Lennart S Bodin Short report Biological monitoring of environmental exposure to PAHs in the vicinity of a Séderberg aluminium reduction plant Nicolas L Gilbert, Claude Viau Correspondence Use of screening nerve conduction studies for predicting future carpal tunnel syndrome Margit L Bleecker; Robert A Werner, Heidi Buchele, Alfred Franzblau, Thomas ¥ Armstrong, James W Albers The sex ratios of offspring of people exposed to non-ionising radiation William H James Notices, Book reviews No 9 SEPTEMBER 1997 Papers Risks of leukaemia among residents close to high voltage transmission electric lines Gilles Thériault, Chung-Yi Li Risk of congenital anomalies in children of parents occupationally exposed to low level ionising radiation Lois M Green, Linda Dodds, Anthony B Miller, Darrell ¥ Tomkins, Fiehui Li, Michael Escobar Variation in incidences of tuberculosis in subgroups of South African gold miners Immo Kleinschmidt, Gavin Churchyard Does occupational exposure to brown coal dust cause a decline in lung function? Catherine Finocchiaro, Andrew Lark, Michael Keating, Antony Ugoni, Michael Abramson Exposure-response analysis of risk of respiratory disease associated with occupational exposure to chrysotile asbestos Leslie Stayner, Randall Smith, John Bailer, Stephen Gilbert, Kyle Steenland, John Dement, David Brown, Richard Lemen Allylmercapturic acid as urinary biomarker of human exposure to allyl chloride Ben M de Rooij, Pieter ¥B ooguard, Jan N M Commandeur, Nico van Sittert, Nico P E Vermeulen Benzo(a)pyrene-albumin adducts in humans exposed to polycyclic aromatic hydrocarbons in an industrial area of Poland EH Kure, A Andreassen, S Ovrebo, E Grzybowska, Z Fiala, M Strézyk, M Chorazy, A Haugen Risk factors for sensitisation to methyltetrahydrophthalic anhydride Kozo Yokota, Yasushifohyama, Kyohei Yamaguchi, Yukio Fujiki, Tatsuya Takeshita, Kanehisa Morimoto Allergy risk in an enzyme producing plant: a retrospective follow up study Claus R Fohnsen, Torben B Sorensen, Anders Ingemann Larsen, Anne Bertelsen Secher, Erling Andreasen, Gertrud S Kofoed, Lise Fredslund Nielsen, Finn Gyntelberg Effects of exposure to microwaves on cellular immunity and placental steroids in pregnant rats Hiroyuki Nakamura, Toshio Seto, Hirofumi Nagase, Masami Yoshida, Shigun Dan, Keiki Ogino Musculoskeletal symptoms and job strain among nursing personnel: a study over a three year period Malin Josephson, Monica Lagerstrém, Mats Hagberg, Ewa Wigaeus Hjelm Cancer incidence of workers in the Swedish petroleum industry Bengt farvholm, Bodil Mellblom, Ritva Norrman, Ralph Nilsson, Rolf Nordlinder Short report Work in dry cleaning and the incidence of cancer of the oral cavity, larynx, and oesophagus Thomas L Vaughan, Patricia A Stewart, Scott Davis, David B Thomas Notices, Book review, Correction No 10 OCTOBER 1997 Papers Sarin poisoning of a rescue team in the Matsumoto sarin incident in Japan amie Nakajima, Shinobu Sato, Hiroshi Morita, Nobuo Yanagisawa Mortality of workers exposed to dieldrin and aldrin: a retrospective cohort study Geert de Fong, Gerard M H Swaen, Foseph ¥ M Slangen Mortality of Dutch coal miners in relation to pneumoconiosis, chronic obstructive pulmonary disease, and lung function Jan MM Meiers, Gerard M H Swaen,Fo s } M Slangen Efficiency of different grouping schemes for dust exposure in the European carbon black respiratory morbidity study Martie van Tongeren, Kerry Gardiner, lan Calvert, Hans Kromhout, #M alcolm Harrington Cancer mortality among electric utility workers exposed to polychlorinated biphenyls Dana Loomis, Steven R Browning, Anna P Schenck, Etleen Gregory, David A Savitz Risk of cancer among paper recycling workers Bo Andreassen Rix, Ebbe Villadsen, Gerda Engholm, Elsebeth Lynge Risk factors for carpal tunnel syndrome in a general population David L Nordstrom, Robert A Vierkant, Frank DeStefano, Peter M Layde Work environment and low back pain: the influence of occupational activities Ying Xu, Elsa Bach, Elsa Orhede Neurological signs in relation to cancer in patients with asbestosis Juhani Funtunen, Panu Oksa, Eero Pukkala, Pekka Laippala Concentration of cadmium in rice and urinary indicators of renal dysfunction Koichi Nakashima, Etsuko Kobayashi, Koji Nogawa, Teruhiko Kido, Ryumon Honda Outcome determinants for isocyanate induced occupational asthma among compensation claimants Susan M Tarlo, Daniel Banks, Gary Liss, Irvin Broder Short report Occupational asthma due to porcine pancreatic amylase 7C Aiken, R Ward, E T Peel, D ¥ Hendrick Correspondence Predictive value of nerve conduction studies Peter A Nathan, Kenneth D Meadows, Richard C Keniston, Richard S Lockwood, Robert A Werner, Alfred Franzblau, James W Albers Prolonged exposure to an epoxy resin leading to interstitial nephritis Jan D Dittmer, Alison ¥A rmitage Book reviews No 11 NOVEMBER 1997 Editorials 769 Aging and occupational and environmental medicine Anne Cockcroft 770 Aging healthcare professionals David Snashalil Methodology Why and how to control for age in occupational epi”*miology Dario Consonni, Pier Alberto Bertazz1, Carlo Zocchetn Reviews Aging and work: the occupational health services’ perspective Peter Westerholm, Asa Kilbom Air pollution and life expectancy: is there a relation? Bert Brunekreef Papers Injuries after falls at work in the United Kingdom and Sweden with special reference to fractures in women over 45 R McNamee, K Kemmlert, L Lundholm, N M Cherry Repeated survey on changes in musculoskeletal complaints relative to age and work demands Bart C H de Zwart, Jake P F Broersen, Monique H W Frings-Dresen, Frank ¥ H van Dijk Selection related to musculoskeletal complaints among employees Bart C H de Zwart, fake P F Broersen, Allard } van der Beek, Monique H W Frings-Dresen, Frank ¥ H van Dijk Reanalysis of the occurrence of back pain among construction workers: modelling for the interdependent effects of heavy physical work, earlier back accidents, and aging Markku Nurminen Aging, rhythms of physical performance, and adjustment to changes in the sleep-activity cycle T Reilly, ¥W aterhouse, G Atkinson Occupational exposure to carcinogens and risk of lung cancer: results from The Netherlands cohort study A Feanne M van Loon, I Fmert Kant, Gerard M H Swaen, R Alexandra Goldbohm, Anja M Kremer, Piet A van den Brandt Deaths and tumours among workers grinding stainless steel: a follow up K Jakobsson, Z Mikoczy, S Skerfving Respiratory allergy in laboratory animal workers: a retrospective cohort study using pre-employment screening data Hanneke Kruize, Wendel Post, Dick Heederik, Ben Martens, Albert Hollander, Erik van der Beek Bronchial reactions to exposure to welding fumes Gustavo R Contreras, Moira Chan- Yeung Correspondence Urinary arsenic concentrations in a high arsenic area of south west England Perer Kavanagh, Margaret E Farago, lain Thornton, Paul Eliott, Walter Goessler, Kurt F Irgolic No 12 DECEMBER 1997 Review A systematic review of controlled clinical trials on the prevention of back pain in industry Mireille N M van Poppel, Bart W Koes, Tjabe Smid, Lex M Bouter Papers Spontaneous abortion in dry cleaning workers potentially exposed to perchloroethylene Par Doyle, Eve Roman, Valerie Beral, Marion Brookes Assessment of potential damage to DNA in urine of coke oven workers: an assay of unscheduled DNA synthesis F Roos, A Renier, F Ettlinger, Y Iwatsubo, M Letourneux, 7 M Haguenoer, M C Faurand, F C Pairon Season, equipment, and job function related to gastrointestinal problems in waste collectors Ulla Irene Ivens, Niels Ebbehej, Otto M Poulsen, Torsten Skot Sex ratio in relation to fathers’ occupations Heather O Dickinson, Louise Parker Airway symptoms and lung function in pipelayers exposed to thermal degradation products from MDI-based polyurethane K Fakobsson, K Kronholm-Diab, L Rylander, L Hagmar Vibrotactile sense and hand symptoms in blue collar workers in a manufacturing industry Bo T Flodmark, Goran Lundborg Childhood exposure to PM) 9: relation between personal, classroom, and outdoor concentrations Nicole A H Janssen, Gerard Hoek, Hendrik Harssema, Bert Brunekreef Notices, Correction Index Contents