8Yuri Fujiwara,Gunilla Henningsson,Noriko Ainoda.A Review of Japanese Articles on Perceptual Assessment of Speech sounds in Individuals with Cleft Palate[J].音声语言医学,2006,47:252-257.
9Lisker L,Abrmson AS.A Cross-Language Study of Voicing in initial stops:Acoustical measurements[J].Word,1964,20:384-422.
10Demark RV,Kuehn DP,Tharp RF.Prediction of velopharyngeal competency[J].Cleft Palate J,1975,12:5-11.
