title: Letter: Interrelationships between common congenital malformations.
mesh_terms: D000014:Abnormalities, Drug-Induced; D000015:Abnormalities, Multiple / Q000209:etiology / Q000235:genetics; D000818:Animals; D000013:Congenital Abnormalities / Q000209:etiology; D005260:Female; D006801:Humans; D011247:Pregnancy; D013577:Syndrome; D013723:Teratogens
chemical_list: D013723:Teratogens