title: Ethical issues associated with globalization of placebo-controlled in pulmonary arterial hypertension.
authors.forename: Harrison W
authors.initials: HW
authors.lastname: Farber
authors.forename: Allan J
authors.initials: AJ
authors.lastname: Walkey
authors.forename: Max R
authors.initials: MR
authors.lastname: O'Donnell
mesh_terms: D002405:Catheterization, Central Venous / Q000009:adverse effects; D018849:Controlled Clinical Trials as Topic / Q000941:ethics*; D019049:Developed Countries; D006801:Humans; D006976:Hypertension, Pulmonary / Q000188:drug therapy*; D038622:Internationality; D010919:Placebos / Q000627:therapeutic use*; D014665:Vasodilator Agents / Q000627:therapeutic use*
chemical_list: D010919:Placebos; D014665:Vasodilator Agents