title: [Parental age and birth order in various types of congenital heart defects].
mesh_terms: D000328:Adult; D000367:Age Factors; D001722:Birth Order; D005260:Female; D006330:Heart Defects, Congenital / Q000453:epidemiology*; D006801:Humans; D007231:Infant, Newborn; D008297:Male; D010290:Parents; D011247:Pregnancy; D012189:Retrospective Studies
vernacular_title: Elterliches Alter und Geburtenordnung bei verschiedenen Typen angeborener Herzfehler.