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 1756 OP 1758 DO 10.1183/09031936.00023015 VO 45 IS 6 A1 Juan C. Grignola A1 Enric Domingo YR 2015 UL http://erj.ersjournals.com/content/45/6/1756.abstract AB