TOXICOLOGY ELSEVIEI Contents of volume 159 Contents of Volume 159 Nos. 1-2 Articles d GM-CSI H. Sc M.M Instructions to Authors Contents of Volume 159 No. Obituary \. Ber Articles ¢ in human microsoma ne. C.R. Myers (USA) 1 dehydrocrotonin or M. Haun (Brazil) les and their components on the allergen-specific IgE and IgG! n (USA) Environmental and Nutritional Interactions Occurrence ol rotoxin-producing Escheric in dairy heifers grazing an irrigated pasture B.H. Thran issein, M.R. Hall, S.F. Khaiboullina (USA) Diet restr N.M Author index Subject index Volume contents