title: [Effects of various antagonists on the pressor effect of norepinephrine].
mesh_terms: D000818:Animals; D000959:Antihypertensive Agents / Q000494:pharmacology*; D001794:Blood Pressure / Q000187:drug effects*; D004285:Dogs; D009599:Nitroprusside / Q000494:pharmacology; D009638:Norepinephrine / Q000037:antagonists & inhibitors*; D010646:Phentolamine / Q000494:pharmacology
chemical_list: D000959:Antihypertensive Agents; D009599:Nitroprusside; D009638:Norepinephrine; D010646:Phentolamine