title: [Reflections on the problem of the "critical period" in teratology].
authors.affiliation: Institut für Anatomie, Freien Universität Berlin.
authors.forename: H J
authors.initials: HJ
authors.lastname: Merker
mesh_terms: D000014:Abnormalities, Drug-Induced / Q000209:etiology*; D005260:Female; D005865:Gestational Age; D006801:Humans; D011247:Pregnancy; D013723:Teratogens
chemical_list: D013723:Teratogens
vernacular_title: Uberlegungen zum Problem der "kritischen Phase" in der Teratologie.