Congenital heart malformations in mongolism with special reference to ostium atrioventriculare commune.
D018376:Cardiovascular Abnormalities / Q000150:complications*; D004314:Down Syndrome / Q000150:complications*; D006330:Heart Defects, Congenital; D006343:Heart Septal Defects; D006801:Humans; D008944:Mitral Valve Insufficiency
CARDIOVASCULAR DEFECTS, CONGENITAL/complications; MONGOLISM/complications