The effects of narcotic analgetics and narcotic antagonists on respiration.
D000700:Analgesics / Q000494:pharmacology*; D006801:Humans; D008614:Meperidine / Q000494:pharmacology*; D009022:Morphine Derivatives; D009269:Nalorphine / Q000494:pharmacology*; D009292:Narcotic Antagonists; D009294:Narcotics; D012119:Respiration / Q000187:drug effects*
D000700:Analgesics; D009022:Morphine Derivatives; D009292:Narcotic Antagonists; D009294:Narcotics; D008614:Meperidine; D009269:Nalorphine
ANALGESICS/effects; MEPERIDINE/effects; MORPHINE/related compounds; NALORPHINE/effects; RESPIRATION/effect of drugs on