1. Prevalence of obesity, diabetes, and obesity-related health risk factors, 2001;Mokdad;JAMA,2003
2. Calories Count: Report of the Working Group on Obesity. United States Food and Drug Administration,2004
3. The Health Belief Model;Strecher,1997
4. Focus Groups: A Practical Guide for Applied Research;Krueger,2000
5. Food Labeling: Mandatory Status of Nutrition Labeling and Nutrient Content Revision, Format for Nutrition Label. 58 Federal Register 2079,1993