1. Increasing incidence of celiac disease in a North American population;Ludvigsson;Am J Gastroenterol,2013
2. Topper A. Non-celiacs Drive Gluten-Free Market Growth. Mintel Group Ltd. Web. http://www.mintel.com/blog/food-market-news/gluten-free-consumption-trends. Accessed January 3, 2016.
3. The Hartman Group I. “The Hartman Group's Health & Wellness 2015 and Organic & Natural 2014 reports.” http://www.hartman-group.com/acumenPdfs/gluten-free-2015-09-03.pdf. Accessed December 22, 2015.
4. Trends and racial/ethnic disparities in gluten-sensitive problems in the United States: findings from the National Health and Nutrition Examination Surveys from 1988 to 2012;Choung;Am J Gastroenterol,2015
5. The Nielsen Company. We Are What We Eat: Healthy Eating Trends Around the World. http://www.nielsen.com/content/dam/nielsenglobal/eu/nielseninsights/pdfs/Nielsen%20Global%20Health%20and%20Wellness%20Report%20-%20January%202015.pdf. Accessed December 22, 2015.