title: Case-control surveillance system of congenital anomalies in relation to occupational exposures.
mesh_terms: D000013:Congenital Abnormalities / Q000453:epidemiology / Q000209:etiology*; D004781:Environmental Exposure; D005260:Female; D006801:Humans; D006814:Hungary; D009784:Occupational Diseases / Q000453:epidemiology* / Q000209:etiology / Q000235:genetics; D011247:Pregnancy