title: Teflon injection in the nasopharynx to improve velopharyngeal closure.
mesh_terms: D000293:Adolescent; D000328:Adult; D002648:Child; D002675:Child, Preschool; D002972:Cleft Palate / Q000534:rehabilitation; D005069:Evaluation Studies as Topic; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D010159:Palate; D010614:Pharynx / Q000002:abnormalities; D011138:Polytetrafluoroethylene; D019736:Prostheses and Implants; D014831:Voice
chemical_list: D011138:Polytetrafluoroethylene