title: Breath interval as a continuous measure of opioid effects of intravenous fentanyl and alfentanil.
authors.forename: J A
authors.initials: JA
authors.lastname: Smart
authors.forename: E J
authors.initials: EJ
authors.lastname: Pallett
authors.forename: David J R
authors.initials: DJ
authors.lastname: Duthie
mesh_terms: D000328:Adult; D000368:Aged; D000369:Aged, 80 and over; D015760:Alfentanil / Q000494:pharmacology*; D000701:Analgesics, Opioid / Q000494:pharmacology*; D018686:Anesthetics, Intravenous / Q000494:pharmacology; D002245:Carbon Dioxide / Q000378:metabolism; D005260:Female; D005283:Fentanyl / Q000494:pharmacology*; D006801:Humans; D008297:Male; D008875:Middle Aged; D008991:Monitoring, Physiologic / Q000379:methods*; D012119:Respiration / Q000187:drug effects*; D013997:Time Factors
chemical_list: D000701:Analgesics, Opioid; D018686:Anesthetics, Intravenous; D002245:Carbon Dioxide; D015760:Alfentanil; D005283:Fentanyl