title: Hemodynamic evaluation of vasodilator drug therapy in primary pulmonary hypertension.
mesh_terms: D006439:Hemodynamics / Q000187:drug effects*; D006801:Humans; D006976:Hypertension, Pulmonary / Q000188:drug therapy*; D014665:Vasodilator Agents / Q000627:therapeutic use*
chemical_list: D014665:Vasodilator Agents