1. The size of nasopharynx associated with normal occlusion and Class II malocclusion;Mergen;Angle Orthod,1970
2. The nasopharynx, face height and overbite;Kerr;Angle Orthod,1985
3. Malocclusions, orthodontic corrections and orofacial muscle adaptation;Subtelny;Angle Orthod,1970
4. Effect of mouth breathing on dental occlusion;Paul;Angle Orthod,1973
5. Developmental effects of impaired breathing in the face of the growing child;Cheng;Angle Orthod,1988