RT Journal Article SR Electronic T1 Sex matters in pulmonary arterial hypertension JF European Respiratory Journal JO Eur Respir J FD European Respiratory Society SP 553 OP 554 DO 10.1183/09031936.00054514 VO 44 IS 2 A1 Naeije, Robert A1 D’Alto, Michele YR 2014 UL http://erj.ersjournals.com/content/44/2/553.abstract AB