TY - JOUR AU - Sitbon, O; Humbert, M; Nunes, H TI - Long-term intravenous epoprostenol infusion in primary pulmonary hypertension: prognostic factors and survival JO - J Am Coll Cardiol VL - 40 PY - 2002 DO - 10.1016/S0735-1097(02)02012-0 SP - 780 EP - 788 N1 - et al. ER -