1. Correction of dentofacial deformities by surgery in the anterior part of the jaws;Bell;Am. J. Orthod.,1973
2. Correction of vertical maxillary deficiency: stability and soft tissue changes;Bell;J. Oral Surg.,1981
3. Perioral profile changes in orthodontic treatment;Bloom;Am. J. Orthod.,1961
4. Bolton standards of dento-facial development and growth;Broadbent,1975
5. Changes in the integumental profile of the chin and lower lip after genioplasty;Busquets;J. Oral Surg.,1981