Urology operations linked to four sites.
D052776:Female Urogenital Diseases / Q000601:surgery*; D006801:Humans; D052801:Male Urogenital Diseases; D008838:Microcomputers; D017216:Telemedicine / Q000295:instrumentation; D014572:Urology / Q000193:education*; D014741:Video Recording / Q000295:instrumentation