title: Technical problems in endoscopic sinus surgery.
authors.affiliation: Department of Otorhinolaryngology, University of Pennsylvania Medical Center, Philadelphia.
authors.forename: D W
authors.initials: DW
authors.lastname: Kennedy
authors.forename: D C
authors.initials: DC
authors.lastname: Lanza
mesh_terms: D004724:Endoscopy; D005004:Ethmoid Bone / Q000601:surgery*; D005005:Ethmoid Sinus / Q000601:surgery*; D015521:Ethmoid Sinusitis / Q000601:surgery*; D006801:Humans; D007430:Intraoperative Care / Q000379:methods; D007431:Intraoperative Complications; D011183:Postoperative Complications