1. Velopharyngeal function in connected speech: Studies using tomography and cineradiography synchronized with speech spectrography;Bjork;Acta Radiol. (Stockholm),1961
2. The linearity of the relationship between articulation errors and velopharyngeal incompetence;Brandt;Cleft Palate J.,1965
3. A clarification of the surgical goals in cleft palate speech and the introduction of the lateral port control (L.P.C.) pharyngeal flap;Hogan;Cleft Palate J.,1973
4. Effects of velopharyngeal incompetence upon speech;Isshiki;Cleft Palate J.,1968
5. Comparison of ultrasonic and cineradiographic measurements of lateral pharyngeal wall motion;Kelsey;Invest. Radiol.,1969