The magnitude and duration of respiratory depression due to fentanyl and meperidine in man.
D000328:Adult; D002245:Carbon Dioxide / Q000494:pharmacology; D003864:Depression, Chemical; D005283:Fentanyl / Q000494:pharmacology*; D006801:Humans; D008297:Male; D008614:Meperidine / Q000494:pharmacology; D012119:Respiration / Q000187:drug effects*; D012965:Sodium Chloride / Q000494:pharmacology
D002245:Carbon Dioxide; D012965:Sodium Chloride; D008614:Meperidine; D005283:Fentanyl