Delayed respiratory depression after use of fentanyl during anaesthesia.
D000293:Adolescent; D000368:Aged; D000771:Anesthesia, Intravenous / Q000009:adverse effects* / Q000379:methods; D005260:Female; D005283:Fentanyl / Q000009:adverse effects*; D006801:Humans; D008297:Male; D008875:Middle Aged; D012131:Respiratory Insufficiency / Q000139:chemically induced*; D013997:Time Factors
D005283:Fentanyl