Proceedings: The influence of morphine tolerance/dependence on the interaction between morphine agonists and antagonists in vivo and in vitro.
D000818:Animals; D004361:Drug Tolerance; D006801:Humans; D009020:Morphine / Q000037:antagonists & inhibitors*; D009021:Morphine Dependence / Q000503:physiopathology*; D051381:Rats; D011955:Receptors, Drug; D014828:Vocalization, Animal
D011955:Receptors, Drug; D009020:Morphine