Effects of morphine and naloxone on the responses to noxious stimulation of neurones in the nucleus reticularis paragigantocellularis.
D000818:Animals; D007478:Iontophoresis; D008297:Male; D009020:Morphine / Q000494:pharmacology*; D009270:Naloxone / Q000494:pharmacology*; D009474:Neurons / Q000187:drug effects / Q000502:physiology; D010146:Pain; D010812:Physical Stimulation; D051381:Rats; D012154:Reticular Formation / Q000187:drug effects* / Q000502:physiology
D009270:Naloxone; D009020:Morphine