title: Accumulation of alfentanil.
mesh_terms: D000759:Adjuvants, Anesthesia / Q000378:metabolism*; D015760:Alfentanil; D005283:Fentanyl / Q000031:analogs & derivatives* / Q000378:metabolism; D006801:Humans
chemical_list: D000759:Adjuvants, Anesthesia; D015760:Alfentanil; D005283:Fentanyl