1. Barnett A, Whitaker LA: Facial form analysis of the lower and middle face. Plast Reconstr Surg78:158, 1986
2. Farkas LG: An Anthropometry of the Head and Face in Medicine. New York: Elsevier, North Holland, 1981
3. Farkas LG, Munroe IR: Anthropometric Facial Proportions in Medicine. Springfield, IL: Charles C. Thomas, 1987, p 67
4. Freeman BS: Proplast: a porous implant for contour resoration. Br J Plast Surg29:158, 1976
5. Martins LC: El aumento del angulo mandibular, nuevo procedimiento adicional en el tratemiento del envejecimiento facial. Cir Plast Ibero-Latinoam111(2):Abril-Mayo-Junio 1977