title: Alfentanil in anaesthesia.
mesh_terms: D015760:Alfentanil; D000777:Anesthetics; D005283:Fentanyl / Q000009:adverse effects / Q000031:analogs & derivatives; D006801:Humans
chemical_list: D000777:Anesthetics; D015760:Alfentanil; D005283:Fentanyl