Surgical anatomy of the paranasal sinuses.
D005005:Ethmoid Sinus / Q000033:anatomy & histology / Q000601:surgery; D006801:Humans; D008443:Maxillary Sinus / Q000033:anatomy & histology / Q000601:surgery; D010256:Paranasal Sinuses / Q000033:anatomy & histology / Q000601:surgery*