title: Delayed respiratory depression after alfentanil.
mesh_terms: D000293:Adolescent; D000328:Adult; D015760:Alfentanil; D005283:Fentanyl / Q000009:adverse effects / Q000031:analogs & derivatives*; D006801:Humans; D008297:Male; D009270:Naloxone / Q000627:therapeutic use; D012120:Respiration Disorders / Q000139:chemically induced* / Q000188:drug therapy / Q000628:therapy; D012121:Respiration, Artificial; D013123:Spinal Fusion
chemical_list: D015760:Alfentanil; D009270:Naloxone; D005283:Fentanyl