title: Surgical drainage of the maxillary sinus. Introduction to the symposium.
mesh_terms: D000539:Alveolar Process / Q000601:surgery; D004322:Drainage / Q000379:methods*; D006801:Humans; D008437:Maxilla / Q000601:surgery; D008443:Maxillary Sinus / Q000601:surgery*; D008722:Methods; D009666:Nose / Q000601:surgery