RT Journal Article SR Electronic T1 PULMONARY VALVOTOMY AND INFUNDIBULECTOMY JF British Heart Journal JO Heart FD BMJ Publishing Group Ltd and British Cardiovascular Society SP 472 OP 482 DO 10.1136/hrt.22.4.472 VO 22 IS 4 A1 F. Ronald Edwards YR 1960 UL http://heart.bmj.com/content/22/4/472.abstract AB