Variations in velopharyngeal valving: the factor of sex.
D000293:Adolescent; D000328:Adult; D002933:Cineradiography; D006801:Humans; D008875:Middle Aged; D010159:Palate / Q000502:physiology*; D010614:Pharynx / Q000502:physiology*; D012737:Sex Factors; D013060:Speech; D014609:Uvula / Q000502:physiology