Titlebook: Biologic Rhythms in Clinical and Laboratory Medicine; Yvan Touitou (Professor of Biochemistry),Erhard Ha Book 1992 Springer-Verlag Berlin

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Pr?vention psychischer St?rungenrapeutic agents in alarming quantities. Moreover the developmental risks imposed by the maternal use of substances of abuse are, perhaps more than many other risk factors, preventable. The etiology of human malformations includes both (1) genetic factors and (2) drugs and environmental agents (for established teratogens see Brendel et al. 1985).