RT Journal Article SR Electronic T1 IgG4-related disease in pulmonary arterial hypertension on long-term epoprostenol treatment JF European Respiratory Journal JO Eur Respir J FD European Respiratory Society SP 1516 OP 1519 DO 10.1183/09031936.00144013 VO 43 IS 5 A1 Yuichiro Shirai A1 Yuichi Tamura A1 Hidekata Yasuoka A1 Toru Satoh A1 Masataka Kuwana YR 2014 UL http://erj.ersjournals.com/content/43/5/1516.abstract AB