title: Effect of vasodilators on pulmonary vascular resistance in patients with pulmonary hypertension.
mesh_terms: D000328:Adult; D000368:Aged; D005260:Female; D006801:Humans; D006830:Hydralazine / Q000627:therapeutic use; D006976:Hypertension, Pulmonary / Q000188:drug therapy*; D007545:Isoproterenol / Q000627:therapeutic use; D008297:Male; D008875:Middle Aged; D005996:Nitroglycerin / Q000627:therapeutic use; D010646:Phentolamine / Q000031:analogs & derivatives / Q000627:therapeutic use; D014655:Vascular Resistance / Q000187:drug effects*; D014665:Vasodilator Agents / Q000494:pharmacology*
chemical_list: D014665:Vasodilator Agents; D006830:Hydralazine; D005996:Nitroglycerin; D007545:Isoproterenol; D010646:Phentolamine