title: Teflon pharyngoplasty in incompetent velopharyngeal closure.
mesh_terms: D000328:Adult; D006801:Humans; D007267:Injections; D008297:Male; D010159:Palate; D010614:Pharynx / Q000601:surgery*; D011138:Polytetrafluoroethylene
chemical_list: D011138:Polytetrafluoroethylene