RT Journal Article SR Electronic T1 THE INTRACARDIAC ELECTROGRAM AS AN AID IN THE LOCALIZATION OF PULMONARY STENOSIS JF British Heart Journal JO Heart FD BMJ Publishing Group Ltd and British Cardiovascular Society SP 29 OP 34 DO 10.1136/hrt.18.1.29 VO 18 IS 1 A1 D. Emslie-Smith A1 K. G. Lowe A1 I. G. W. Hill YR 1956 UL http://heart.bmj.com/content/18/1/29.abstract AB