title: The design and function of intranasal antrostomies.
mesh_terms: D000208:Acute Disease; D001291:Attitude of Health Personnel; D002908:Chronic Disease; D004322:Drainage / Q000379:methods*; D006801:Humans; D008443:Maxillary Sinus / Q000601:surgery; D009296:Nasal Cavity; D012852:Sinusitis / Q000601:surgery*