RT Journal Article SR Electronic T1 Sildenafil for pulmonary hypertension complicating idiopathic pulmonary fibrosis: a rationale grounded in basic science JF European Respiratory Journal JO Eur Respir J FD European Respiratory Society SP 1615 OP 1617 DO 10.1183/13993003.00395-2016 VO 47 IS 6 A1 Paul M. Hassoun A1 Steven D. Nathan YR 2016 UL http://erj.ersjournals.com/content/47/6/1615.abstract AB