title: [Long-term presence of foreign bodies (teflon tubes) in the maxillary sinuses].
mesh_terms: D000328:Adult; D004322:Drainage / Q000295:instrumentation; D005547:Foreign Bodies / Q000175:diagnosis*; D006801:Humans; D008297:Male; D008443:Maxillary Sinus; D011138:Polytetrafluoroethylene; D012852:Sinusitis / Q000601:surgery
chemical_list: D011138:Polytetrafluoroethylene
vernacular_title: Dlitel'noe prebyvanie inorodnykh tel (teflonovykh trubok) v verkhnecheliustnykh pazukhakh.