RT Journal Article SR Electronic T1 Reduced haemodynamic coupling and exercise are associated with vascular stiffening in pulmonary arterial hypertension JF Heart JO Heart FD BMJ Publishing Group Ltd and British Cardiovascular Society SP 421 OP 427 DO 10.1136/heartjnl-2016-309906 VO 103 IS 6 A1 Alessandro Bellofiore A1 Eric Dinges A1 Robert Naeije A1 Hamorabi Mkrdichian A1 Lauren Beussink-Nelson A1 Melissa Bailey A1 Michael J Cuttica A1 Ranya Sweis A1 James R Runo A1 Jon G Keevil A1 Christopher J Francois A1 Sanjiv J Shah A1 Naomi C Chesler YR 2017 UL http://heart.bmj.com/content/103/6/421.abstract AB Markup server — Error Error There was a problem handling your request. Please try again in a few minutes, or contact us if you continue to experience this problem.