A method of open valvotomy in infants with pulmonary atresia and intact ventricular septum.
D005260:Female; D006346:Heart Septum; D006352:Heart Ventricles; D006801:Humans; D007231:Infant, Newborn; D008297:Male; D008722:Methods; D011664:Pulmonary Valve / Q000002:abnormalities* / Q000601:surgery*