Ossifying fibroma of the ethmoid; with case report.
D005004:Ethmoid Bone; D005005:Ethmoid Sinus; D005350:Fibroma; D018214:Fibroma, Ossifying; D006801:Humans; D009369:Neoplasms; D010255:Paranasal Sinus Neoplasms
ETHMOIDAL SINUSES/neoplasms; FIBROMA