title: [Continuous cervical epidural block for extended operations of upper extremities].
mesh_terms: D000293:Adolescent; D000328:Adult; D000368:Aged; D000767:Anesthesia, Epidural / Q000379:methods; D001132:Arm / Q000601:surgery*; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D013997:Time Factors