1. Initial tissue behavior during apical root resorption;Reitan;Angle Orthod,1974
2. Biomechanical principles and reactions;Reitan,1994
3. Some factors determining the evaluation of forces in orthodontics;Reitan;Am J Orthod,1957
4. Orthodontic forces and tissue reactions;Rygh,1995
5. Non-clast cells start orthodontic tooth resorption in the periphery of hyalinized zones;Brudvik;Eur J Orthod,1993