Description of ventricular septal defects--or how long is a piece of string?
D006344:Heart Septal Defects, Atrial / Q000473:pathology; D006345:Heart Septal Defects, Ventricular / Q000145:classification / Q000473:pathology*; D006351:Heart Valves / Q000002:abnormalities / Q000473:pathology; D006801:Humans; D009626:Terminology as Topic