title: Letter: Major outpatient surgery.
mesh_terms: D000368:Aged; D000553:Ambulatory Care; D000771:Anesthesia, Intravenous / Q000592:standards; D005283:Fentanyl / Q000008:administration & dosage; D059685:Herniorrhaphy; D006801:Humans; D008875:Middle Aged; D010044:Outpatient Clinics, Hospital; D011229:Preanesthetic Medication; D012964:Sodium / Q000008:administration & dosage; D013514:Surgical Procedures, Operative; D013874:Thiopental / Q000008:administration & dosage; D014648:Varicose Veins / Q000601:surgery
chemical_list: D012964:Sodium; D013874:Thiopental; D005283:Fentanyl