title: The effects of morphine on the heart rate in normal or morphine-tolerant rats.
authors.forename: S
authors.initials: S
authors.lastname: Kaymakçalan
authors.forename: S
authors.initials: S
authors.lastname: Kayan
mesh_terms: D000701:Analgesics, Opioid / Q000008:administration & dosage / Q000037:antagonists & inhibitors / Q000494:pharmacology*; D000818:Animals; D004361:Drug Tolerance; D004562:Electrocardiography; D005260:Female; D006339:Heart Rate / Q000187:drug effects*; D007274:Injections, Intraperitoneal; D023421:Models, Animal; D009020:Morphine / Q000008:administration & dosage / Q000037:antagonists & inhibitors / Q000494:pharmacology*; D009269:Nalorphine / Q000008:administration & dosage / Q000494:pharmacology; D009292:Narcotic Antagonists / Q000008:administration & dosage / Q000494:pharmacology; D051381:Rats
chemical_list: D000701:Analgesics, Opioid; D009292:Narcotic Antagonists; D009020:Morphine; D009269:Nalorphine