title: Where is the ostium of the ethmoid bulla?
authors.affiliation: Section of Otolaryngology, Yale University School of Medicine, New Haven, USA.
authors.forename: E
authors.initials: E
authors.lastname: Yanagisawa
authors.forename: J K
authors.initials: JK
authors.lastname: Joe
authors.forename: D A
authors.initials: DA
authors.lastname: Christmas
mesh_terms: D004724:Endoscopy; D005004:Ethmoid Bone / Q000473:pathology* / Q000601:surgery; D015521:Ethmoid Sinusitis / Q000473:pathology* / Q000601:surgery; D006801:Humans