1. American Society for Aesthetic Surgery: Cosmetic surgery National Data Bank statistics. Available at:
www.surgery.org/download/2005stats.pdf
(2005). Accessed 24 Aug 2006.
2. American Society for Aesthetic Surgery: Cosmetic surgery National Data Bank statistics. Available at:
www.surgery.org/download/2008stats.pdf
(2008). Accessed 20 July 2009.
3. Vleggaar D, Fitzgerald R. Dermatological implications of skeletal aging: a focus on supraperiosteal volumization for perioral rejuvenation. J Drugs Dermatol. 2008;7(3):209–20.
4. Donofrio LM. Fat distribution: a morphologic study of the aging face. Dermatol Surg. 2000;26(12):1107–12.
5. Alster T, Jorizzo J, Hanke W, Weinkle S, Werschler P. The aging face: more than skin deep CME. Available at:
http://www.medscape.org/viewprogram/3401