title: Retrospective study of factors related to congenital heart diseases.
mesh_terms: D000328:Adult; D002675:Child, Preschool; D003141:Communicable Diseases / Q000150:complications; D005260:Female; D006330:Heart Defects, Congenital / Q000209:etiology*; D006801:Humans; D007223:Infant; D008297:Male; D008875:Middle Aged; D012189:Retrospective Studies; D012959:Socioeconomic Factors