title: Idiopathic pulmonary hypertension: therapeutic opportunities and pitfalls.
mesh_terms: D003937:Diagnosis, Differential; D006801:Humans; D006830:Hydralazine / Q000009:adverse effects*; D006976:Hypertension, Pulmonary / Q000175:diagnosis / Q000188:drug therapy*; D012306:Risk; D014655:Vascular Resistance / Q000187:drug effects
chemical_list: D006830:Hydralazine