title: Endoscopic sinus surgery. A functional approach.
mesh_terms: D004724:Endoscopy; D006801:Humans; D010256:Paranasal Sinuses / Q000000981:diagnostic imaging / Q000601:surgery*; D011859:Radiography; D012008:Recurrence; D012852:Sinusitis / Q000175:diagnosis / Q000000981:diagnostic imaging / Q000601:surgery