1. Planning treatment on the basis of facial pattern and an estimate of its growth;Ricketts;Angle Orthod,1957
2. Facial soft tissue and growth in orthodontic treatment;Nanda;Sem Orthod,1995
3. Cephalometric synthesis;Ricketts;Am J Orthod,1960
4. A cephalometric study of profile changes in orthodontically treated cases ten years out of retention;Anderson;Angle Orthod,1973
5. Proportional profile changes concurrent with orthodontic therapy;Rudee;Am J Orthod,1964