1. Congenital velopharyngeal incompetence and submucous cleft palate;Millard,1980
2. Evaluation of velopharyngeal closure and speech;Millard,1980
3. Myotonic dystrophy initially manifested by speech disability;Weinberg;J Speech Hear Disord,1968
4. Surgical and prosthetic management of neurogenic velopharyngeal incompetency in dysarthria;Johns,1985
5. An objective evaluation of palatopharyngeal competence;Chase;Plast Reconstr Surg,1960