PT - JOURNAL ARTICLE AU - Condliffe, Robin AU - Kovacs, Gabor TI - Identifying early pulmonary arterial hypertension in patients with systemic sclerosis AID - 10.1183/13993003.00495-2018 DP - 2018 Apr 01 TA - European Respiratory Journal PG - 1800495 VI - 51 IP - 4 4099 - http://erj.ersjournals.com/content/51/4/1800495.short 4100 - http://erj.ersjournals.com/content/51/4/1800495.full SO - Eur Respir J2018 Apr 01; 51