Ventricular septal defects; their natural transformation into the cyanotic or noncyanotic type of tetralogy of Fallot.
D003490:Cyanosis; D006330:Heart Defects, Congenital; D006343:Heart Septal Defects; D006345:Heart Septal Defects, Ventricular; D006346:Heart Septum / Q000002:abnormalities*; D006801:Humans; D013771:Tetralogy of Fallot / Q000209:etiology*
CARDIAC SEPTUM/abnormalities; TETRALOGY OF FALLOT/etiology and pathogenesis