Effects of morphine and meperidine on the central respiratory mechanisms in the cat; the action of levallorphan in antagonizing these effects.
D000818:Animals; D002415:Cats; D019069:Cell Respiration; D002490:Central Nervous System / Q000494:pharmacology*; D007977:Levallorphan; D008614:Meperidine / Q000494:pharmacology*; D009020:Morphine / Q000037:antagonists & inhibitors* / Q000494:pharmacology*; D009420:Nervous System; D012119:Respiration / Q000494:pharmacology*
D007977:Levallorphan; D009020:Morphine; D008614:Meperidine
CENTRAL NERVOUS SYSTEM/pharmacology; MEPERIDINE/pharmacology; MORPHINE/antagonists; MORPHINE/pharmacology; RESPIRATION/pharmacology