The clinical efficiency of four oral breath pressure measures.
D000293:Adolescent; D000328:Adult; D001307:Auditory Perception; D002648:Child; D002675:Child, Preschool; D002971:Cleft Lip / Q000175:diagnosis*; D002972:Cleft Palate / Q000175:diagnosis*; D005069:Evaluation Studies as Topic; D006801:Humans; D008365:Manometry / Q000295:instrumentation / Q000379:methods*; D010700:Phonetics; D012119:Respiration; D013060:Speech