title: The effect of levarterenol and phentolamine on the hypertensive pulmonary vasculature.
mesh_terms: D000818:Animals; D001794:Blood Pressure / Q000187:drug effects*; D002302:Cardiac Output / Q000187:drug effects; D002417:Cattle; D006976:Hypertension, Pulmonary / Q000503:physiopathology*; D009638:Norepinephrine / Q000494:pharmacology*; D010646:Phentolamine / Q000494:pharmacology*; D011652:Pulmonary Circulation / Q000187:drug effects*; D014655:Vascular Resistance / Q000187:drug effects*
chemical_list: D009638:Norepinephrine; D010646:Phentolamine