title: Directed functional endoscopic sinus surgery and headaches.
authors.affiliation: Dept of Otorhinolaryngology-Head and Neck Surgery, University of Pennsylvania, 7 Silverstein, 3400 Spruce St, Philadelphia, PA 19104. beckerd@mail.med.upenn.edu
authors.forename: D O
authors.initials: DO
authors.lastname: Becker
authors.forename: D M
authors.initials: DM
authors.lastname: Cunning
mesh_terms: D004724:Endoscopy; D006261:Headache / Q000000981:diagnostic imaging / Q000209:etiology / Q000601:surgery*; D006801:Humans; D019060:Minimally Invasive Surgical Procedures / Q000379:methods; D010256:Paranasal Sinuses / Q000601:surgery*; D014057:Tomography, X-Ray Computed