title: Primary pulmonary hypertension: new reasons for optimism?
authors.forename: T J
authors.initials: TJ
authors.lastname: Williams
mesh_terms: D003937:Diagnosis, Differential; D006801:Humans; D006976:Hypertension, Pulmonary / Q000175:diagnosis* / Q000453:epidemiology / Q000209:etiology / Q000628:therapy*; D016040:Lung Transplantation; D011379:Prognosis; D016019:Survival Analysis; D014665:Vasodilator Agents / Q000627:therapeutic use
chemical_list: D014665:Vasodilator Agents