1. Proportional profile changes concurrent with orthodontic therapy;Rudee;Am. J. Orthod.,1964
2. Soft-tissue response to upper incisor retraction in boys;Wisth;Br. J. Orthod.,1974
3. Soft-tissue profile change in Class II treatment;Roos;Am. J. Orthod.,1977
4. Cephalometric evaluation of soft-tissue profile changes in orthodontically treated cases with maxillary protrusion;Abdel Kader,1981
5. Cephalometric prediction of soft-tissue profile following anterior maxillary osteotomy;Harris,1974