title: Pharmacological characteristics of agonist-antagonist analgesics.
abstract: A brief history and pharmacological characteristics of agonist-antagonist analgesics are presented. The importance of this class of compounds on the development of opioid-receptor concepts is described.
mesh_terms: D000701:Analgesics, Opioid / Q000494:pharmacology*; D000818:Animals; D055598:Chemical Phenomena; D002621:Chemistry; D000882:Haplorhini; D006801:Humans; D009269:Nalorphine / Q000494:pharmacology; D009292:Narcotic Antagonists / Q000494:pharmacology*; D011957:Receptors, Opioid / Q000187:drug effects
chemical_list: D000701:Analgesics, Opioid; D009292:Narcotic Antagonists; D011957:Receptors, Opioid; D009269:Nalorphine