title: [Course, consecutive numbr of pregnancies, age and occupation of parents and incidence of congenital malformations in children].
mesh_terms: D000328:Adult; D000367:Age Factors; D000013:Congenital Abnormalities / Q000453:epidemiology* / Q000209:etiology*; D005260:Female; D006801:Humans; D008423:Maternal Age; D008875:Middle Aged; D009790:Occupations; D010290:Parents; D011044:Poland; D011247:Pregnancy; D011248:Pregnancy Complications
vernacular_title: Przebieg i kolejność ciazy, wiek i zawód rodziców a wystepowanie wad wrodzonych u dzieci.