1. A study of bone and tooth changes incident to experimental tooth movement and its application to orthodontic practice;Marshall;Int J Orthod,1933
2. Biologic problems in orthodontia;Orban;J Am Dent Assoc,1936
3. Biologic orthodontic therapy and reality;Oppenheim;Angle Orthod,1936
4. Biologic orthodontic therapy and reality;Oppenheim;Angle Orthod,1936
5. Biologic orthodontic therapy and reality;Oppenheim;Angle Orthod,1936