1. Treatment of irregularities of the permanent or adult tooth;Angell;Dental Cosmos,1860
2. The screw expansion plate;Babcock;The Dental Record,1911
3. Discussion of report: a review of orthodontic research (1946-1950), Internat;Korkhaus;Dent J,1959
4. Palatal expansion: just the beginning of dentofacial orthopedics;Haas;Am J Orthop,1970
5. Arch perimeter changes on rapid palatal expansion;Adkins;Am J Orthod Dentofacial Orthop,1990