1. On an equilibrium theory of tooth position;Weinstein;Angle Orthod,1963
2. Muscle pressures and tooth position: North American whites and Australian Aborigines;Proffit;Angle Orthod,1975
3. Soft tissue limitations in orthodontics: treatment planning guidelines;Ackerman;Angle Orthod,1997
4. Measurement of intraoral muscle forces during functional exercises;Lindeman;Am J Orthod Dentofac Orthop,1990