Effect of naloxone pretreatment on morphine induced analgesic tolerance & sensitivity changes during chronic treatment in mice.
D000698:Analgesia; D000818:Animals; D004361:Drug Tolerance; D008297:Male; D051379:Mice; D009020:Morphine / Q000494:pharmacology*; D009270:Naloxone / Q000494:pharmacology*
D009270:Naloxone; D009020:Morphine