Effects of velopharyngeal incompetence upon speech.
D002972:Cleft Palate; D006801:Humans; D008297:Male; D009055:Mouth; D009666:Nose; D010614:Pharynx / Q000502:physiology*; D011312:Pressure / Q000295:instrumentation; D013060:Speech / Q000502:physiology*; D013637:Tape Recording; D014159:Transducers