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Two-year survival from enrollment. (A) Patients with PoPH and IPAH/FPAH. (B) Stratified by duration of disease from enrollment. Dx, diagnosis; FPAH, familial pulmonary arterial hypertension; IPAH, idiopathic pulmonary arterial hypertension; PoPH, portopulmonary hypertension. Reproduced with permission of Elsevier: Chest 141 (4) 906-915; doi: 10.1378/chest.11-0160 Epub 21 July 2011.
