TY - GEN AU - Van Demark,D R AU - Morris,H L TI - Stability of velopharyngeal competency SN - 0009-8701 PY - 1983///0527 KW - Adolescent KW - Child KW - Child, Preschool KW - Cleft Palate KW - physiopathology KW - Female KW - Humans KW - Longitudinal Studies KW - Male KW - Palate, Soft KW - physiology KW - Pharynx KW - Speech KW - Velopharyngeal Insufficiency N1 - Publication Type: Journal Article; Research Support, U.S. Gov't, P.H.S ER -