Referring to earlier work would have refined conclusions.
Goodman
N W
NW
D015760:Alfentanil / Q000494:pharmacology*; D000701:Analgesics, Opioid / Q000494:pharmacology*; D000768:Anesthesia, General; D006801:Humans; D015656:Respiratory Mechanics / Q000187:drug effects*
D000701:Analgesics, Opioid; D015760:Alfentanil