Failure of naloxone to prevent acute morphine tolerance and dependence.
D000698:Analgesia; D000818:Animals; D004361:Drug Tolerance; D006801:Humans; D008297:Male; D051379:Mice; D009020:Morphine / Q000037:antagonists & inhibitors / Q000494:pharmacology*; D009021:Morphine Dependence / Q000517:prevention & control*; D009270:Naloxone / Q000494:pharmacology* / Q000627:therapeutic use
D009270:Naloxone; D009020:Morphine