1. Normal and cleft palate anatomy;Dickson;Cleft Palate J.,1972
2. Dickson, D. R.: The anatomy of the normal velopharyngeal mechanism. Clin. Plast. Surg., April, 1975.
3. The Operative Story of Cleft Palate.;Dorrance,1933
4. Ewanowski, S. J., Watkin, K. L., and Zagzebski, J. A.: On line monitoring of velar and lateral pharyngeal wall movements during speech production. Presented at 32nd Annual Meeting, American Cleft Palate Association, Boston, Mass., April, 1974.
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