RT Journal Article SR Electronic T1 “Cellular sources of interleukin-6 and associations with clinical phenotypes and outcomes in pulmonary arterial hypertension.” Catherine E. Simpson, Jenny Y. Chen, Rachel L. Damico, et al. Eur Respir J 2020; 55: 1901761. JF European Respiratory Journal JO Eur Respir J FD European Respiratory Society SP 1951761 DO 10.1183/13993003.51761-2019 VO 59 IS 4 YR 2022 UL http://erj.ersjournals.com/content/59/4/1951761.abstract AB