Direct relief of the pulmonary stenosis in tetralogy of Fallot (Brock procedure).
D006330:Heart Defects, Congenital; D006331:Heart Diseases; D006801:Humans; D011651:Pulmonary Artery; D011666:Pulmonary Valve Stenosis; D013771:Tetralogy of Fallot
HEART DISEASE, CONGENITAL; PULMONARY ARTERY