Langenbrunner, D J Transantral ethmoidectomy: an overlooked procedure? [electronic resource] - Transactions. Section on Otolaryngology. American Academy of Ophthalmology and Otolaryngology - ORL-744-9 p. digital Publication Type: Journal Article ISSN: 0161-696X Subjects--Topical Terms: Ethmoid Bone--surgeryEthmoid Sinus--anatomy & histologyHumansMaxillary Sinus--surgeryNasal Polyps--surgeryNose Neoplasms--surgery