title: Combination therapy for pulmonary artery hypertension: what is the evidence?
authors.forename: Lewis J
authors.initials: LJ
authors.lastname: Rubin
mesh_terms: D000959:Antihypertensive Agents / Q000627:therapeutic use*; D065627:Familial Primary Pulmonary Hypertension; D006801:Humans; D006976:Hypertension, Pulmonary / Q000188:drug therapy*
chemical_list: D000959:Antihypertensive Agents