1. Vital signs: State-specific prevalence of obesity among adults—Untied States, 2009;CDC;MMWR,2010
2. Trends in bariatric surgical procedures;Santry;JAMA,2005
3. Prevalence of regular physical activity among adults- United States, 2001 and 2005;Carlson;MMWR,2007
4. American Society of Aesthetic Plastic Surgery. Cosmetic surgery national data bank statistics, April4, 2011. Available at: http://www.surgery.org/sites/default/files/Stats2010_1.pdf. Last accessed August 4, 2011.
5. Ambulatory surgery in the United States;Cullen;National Health Statistics Reports,2009