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Results 1 - 1 of 1 for Familial atrioventricular septal defect
  1. Congenital Heart Defects (National Library of Medicine)  
    What are congenital heart defects? Congenital heart defects (CHDs) are problems with the structure of the heart. "Congenital" means that that the problems ...
    https://medlineplus.gov/congenitalheartdefects.html - Health Topics