1. Different approaches to anchorage;Melsen;Angle Orthod,1997
2. Lingual orthodontics: a status report. Part 5. Lingual mechanotherapy;Alexander;J Clin Orthod,1983
3. Extraction cases and the lingual appliance;Kurz;J Am Ling Orthod Assoc,1988
4. Anchorage control in lingual orthodontics;Takemoto,1998
5. Lingual orthodontic extraction therapy;Takemoto;Clin Impressions,1995