RT Journal Article SR Electronic T1 The emerging role of the contractile and vascular reserves in pulmonary arterial hypertension JF European Respiratory Journal JO Eur Respir J FD European Respiratory Society SP 1758 OP 1759 DO 10.1183/09031936.00027115 VO 45 IS 6 A1 Edmund M.T. Lau A1 David S. Celermajer A1 Robert Naeije YR 2015 UL http://erj.ersjournals.com/content/45/6/1758.abstract AB