title: Alteration of analgesic receptor-antagonist interaction induced by morphine.
mesh_terms: D000085:Acetates / Q000494:pharmacology; D000700:Analgesics / Q000494:pharmacology*; D000818:Animals; D001522:Behavior, Animal / Q000187:drug effects; D004305:Dose-Response Relationship, Drug; D051379:Mice; D008813:Mice, Inbred ICR; D009020:Morphine / Q000494:pharmacology*; D009270:Naloxone / Q000494:pharmacology*; D010423:Pentazocine / Q000037:antagonists & inhibitors / Q000494:pharmacology; D011955:Receptors, Drug / Q000187:drug effects*; D013223:Statistics as Topic; D013623:Tail / Q000187:drug effects; D013997:Time Factors
chemical_list: D000085:Acetates; D000700:Analgesics; D011955:Receptors, Drug; D009270:Naloxone; D009020:Morphine; D010423:Pentazocine