RT Journal Article SR Electronic T1 Risk assessment in patients with systemic sclerosis and pulmonary arterial hypertension JF European Respiratory Journal JO Eur Respir J FD European Respiratory Society SP 1801745 DO 10.1183/13993003.01745-2018 VO 52 IS 4 A1 Karen M. Olsson A1 Marius M. Hoeper YR 2018 UL http://erj.ersjournals.com/content/52/4/1801745.abstract AB