title: Phentolamine for primary pulmonary hypertension.
mesh_terms: D000328:Adult; D005260:Female; D006801:Humans; D006976:Hypertension, Pulmonary / Q000188:drug therapy*; D007024:Hypotension, Orthostatic / Q000139:chemically induced; D010646:Phentolamine / Q000009:adverse effects* / Q000627:therapeutic use; D013610:Tachycardia / Q000139:chemically induced
chemical_list: D010646:Phentolamine