1. Leonard MS. The use of lag screws in mandibular fractures. Otolaryngol Clin N Am. 1987;20(3):479–93.
2. Spiessl B. Internal Fixation of the Mandible. In: A Manual of AO/ASIF Principles. Berlin: Springer; 1989.
3. McBride KL, Bell WH. Chin Surgery. In: Bell WH, Proffit WR, White RP, editors. Surgical Correction of Dentofacial Deformities: Philadelphia: Saunders; 1980. p. 1216–79.
4. Proffit WR. Treatment Planning: the Search for Wisdom. In: Profitt WR, White RP, editors. Surgical Orthodontic Treatment. Boston: Mosby; 1991. p. 142–91.
5. Gonzalez-Ulloa M. Quantitative principles in Sosmetic surgery of the face. Plast Reconstr Surg. 1963;29:2.