title: Current trends in research and clinical trials of drugs for chronic pulmonary hypertension.
mesh_terms: D002908:Chronic Disease; D006801:Humans; D006976:Hypertension, Pulmonary / Q000188:drug therapy*; D010100:Oxygen / Q000627:therapeutic use; D011379:Prognosis; D014665:Vasodilator Agents / Q000627:therapeutic use
chemical_list: D014665:Vasodilator Agents; D010100:Oxygen