title: Valvulotomy for the relief of congenital valvular pulmonic stenosis with intact ventricular septum; report of 19 operations by the Brock method.
authors.forename: A
authors.initials: A
authors.lastname: BLALOCK
authors.forename: R F
authors.initials: RF
authors.lastname: KIEFFER
mesh_terms: D006801:Humans; D011664:Pulmonary Valve; D011666:Pulmonary Valve Stenosis; D054079:Vascular Malformations; D054088:Ventricular Septum