1. Obesity as a medical problem;Kopelman;Nature,2000
2. Epidemic of obesity expands its spread to developing countries;Friedrich;JAMA,2002
3. Centers for Disease Control and Prevention. National Health and Nutrition Examination Survey, 2006. Retrieved from .
4. Genetics of pathways regulating body weight in the development of obesity in humans;Froguel;Exp Biol Med,2001
5. Joseph A, Skelton Colin D, Rudolph. Overweight and obesity. Kliegman: Nelson Textbook of Pediatrics, 18th ed. 2007; vol. 1(44).