The influence of head position upon velopharyngeal closure.
D000293:Adolescent; D002648:Child; D002675:Child, Preschool; D002933:Cineradiography; D002972:Cleft Palate / Q000503:physiopathology*; D005163:Factor Analysis, Statistical; D005260:Female; D006257:Head; D006801:Humans; D008297:Male; D010159:Palate / Q000503:physiopathology*; D010614:Pharynx / Q000503:physiopathology*; D011187:Posture; D013064:Speech Disorders