1. Dentofacial changes produced by extraoral cervical traction to the Maxilla of the Macaca mulatta, a histological and serial cephalometric study;Sproule,1968
2. Dentofacial changes produced by extraoral highpull traction to the maxilla of the Macaca mulatta;Frederick,1969
3. Craniofacial changes induced by “orthopedic forces” in the Macaca mulatta Rhesus monkey;Henry,1973
4. Cephalometric and histologic changes produced by extraoral high-pull traction to the maxilla in Macaca mulatta;Elder;Am J Orthod,1974
5. Alterations in the upper facial growth of Macaca mulatta resulting from high-pull headgear;Meldrum;Am J Orthod,1975