title: [Etiological factors in congenital heart defects (environmental factors)].
mesh_terms: D004782:Environmental Health; D005191:Family Characteristics; D005260:Female; D006330:Heart Defects, Congenital / Q000209:etiology* / Q000235:genetics; D006801:Humans; D008297:Male; D011247:Pregnancy; D011248:Pregnancy Complications / Q000150:complications
vernacular_title: Ob étiologicheskikh faktorakh vrozhdennykh porokov serdtsa (sredovye faktory.