title: Polar coordinates and television monitoring in stereotaxic brain surgery.
mesh_terms: D001921:Brain / Q000601:surgery; D006801:Humans; D008722:Methods; D008991:Monitoring, Physiologic; D011859:Radiography; D012886:Skull / Q000000981:diagnostic imaging; D013238:Stereotaxic Techniques; D013523:Surgical Equipment; D013690:Television