title: Problems and possibilities in teratological research.
mesh_terms: D000818:Animals; D000013:Congenital Abnormalities / Q000209:etiology* / Q000235:genetics; D004195:Disease Models, Animal; D004777:Environment; D005260:Female; D005313:Fetal Death / Q000453:epidemiology; D006801:Humans; D011247:Pregnancy; D012106:Research