1. Evaluation of maxillary molar distalization with the distal jet: a comparison with other contemporary methods;Bolla;Angle Orthod,2002
2. Evaluation of cervical traction of the maxilla and upper first permanent molar;Kloehn;Angle Orthod,1961
3. A nonextraction treatment;Cetlin;J Clin Orthod,1983
4. Sagittal and vertical changes after treatment of class II division I malocclusion according to the Cetlin method;Ferro;Am J Orthod Dentofacial Orthop,2000
5. Multi-directional 3D functional class II treatment;Wilson;J Clin Orthod,1987