1. Tongue thrusting;Andrews;J. South. Calif. Dent. Assoc.,1960
2. Tongue and dental function;Baker;Am. J. Orthod.,1954
3. The morphological basis of prognosis determination and treatment planning;Ballard;Dent. Pract.,1967
4. One approach to deviate swallowing;Barrett;Am. J. Orthod.,1961
5. Tongue thrust classification;Brauer;Angle Orthod.,1965