title: Comparative analgesic potency of heroin and morphine in postoperative patients.
mesh_terms: D000698:Analgesia; D000700:Analgesics; D000758:Anesthesia; D000760:Anesthesia and Analgesia; D003932:Heroin; D006801:Humans; D009020:Morphine; D010146:Pain; D011188:Potassium
chemical_list: D000700:Analgesics; D003932:Heroin; D009020:Morphine; D011188:Potassium
keywords: MORPHINE/anesthesia and analgesia; POTASSIUM