RT Journal Article SR Electronic T1 Exercise pulmonary hypertension in primary mitral regurgitation: what does it predict? JF Heart JO Heart FD BMJ Publishing Group Ltd and British Cardiovascular Society SP 339 OP 341 DO 10.1136/heartjnl-2014-306875 VO 101 IS 5 A1 Christine L Jellis A1 Brian P Griffin YR 2015 UL http://heart.bmj.com/content/101/5/339.abstract AB