Variations in velopharyngeal closure assessed by endoscopy.
D000293:Adolescent; D000328:Adult; D002648:Child; D002933:Cineradiography; D019723:Endoscopes; D004724:Endoscopy; D005683:Gagging; D006801:Humans; D010159:Palate / Q000502:physiology*; D010614:Pharynx / Q000502:physiology*; D013060:Speech