title: Vasodilators ineffective in secondary pulmonary hypertension.
mesh_terms: D000328:Adult; D002908:Chronic Disease; D006439:Hemodynamics; D006801:Humans; D006976:Hypertension, Pulmonary / Q000188:drug therapy* / Q000209:etiology / Q000503:physiopathology; D008297:Male; D011655:Pulmonary Embolism / Q000150:complications; D014665:Vasodilator Agents / Q000627:therapeutic use*
chemical_list: D014665:Vasodilator Agents