title: Abnormal alfentanil pharmacokinetics.
mesh_terms: D015760:Alfentanil; D000700:Analgesics / Q000378:metabolism*; D005260:Female; D005283:Fentanyl / Q000031:analogs & derivatives* / Q000378:metabolism; D006207:Half-Life; D006801:Humans; D007700:Kinetics; D008875:Middle Aged
chemical_list: D000700:Analgesics; D015760:Alfentanil; D005283:Fentanyl