RT Journal Article SR Electronic T1 Improvement in the pulmonary circulation following pulmonary thromboendarterectomy JF Heart JO Heart FD BMJ Publishing Group Ltd and British Cardiovascular Society SP 612 OP 612 DO 10.1136/heart.85.6.612 VO 85 IS 6 A1 RANA SAYEED A1 RICHARD COULDEN A1 JOHN DUNNING YR 2001 UL http://heart.bmj.com/content/85/6/612.abstract AB