1) Andrianopoulos, M.V. and Hanson, M.L. (1987). Tongue-thrust and the stability of overjet correction. Angle Orthod 57, 121-135.
2) Gale, E.N. and Ayer, W.A. (1969). Thumbsucking revisited. Am J Orthod 55, 167-170.
3) Graber, T.M., Chung, D.D.B. and Aoba, J.T. (1967). Dentofacial orthopedics versus orthodontics. J Am Dent Assoc 75, 1145-1166.
4) Hanson, M.L., Barnard, L.W. and Case, J.L. (1969). Tongue-thrust in preschool children. Am J Orthod 56, 60-69.
5) Harris, J.E. and Kowalski, C.J. (1976). All in the family: Use of familial information in orthodontic diagnosis, case assessment, and treatment planning. Am J Orthod 69, 493-510.