[The dangers of transmaxillary ethmoidectomy].
D005004:Ethmoid Bone; D005005:Ethmoid Sinus / Q000601:surgery*; D006801:Humans; D008443:Maxillary Sinus / Q000601:surgery*; D010256:Paranasal Sinuses
ETHMOID SINUS/surgery; MAXILLARY SINUS/surgery