Bansal, Shalini, and P. Khanna. “Nutritional, Environmental and Psychological Factors in Peptic Ulcer”. The Indian Journal of Nutrition and Dietetics 35, no. 10 (October 1, 1998): 268–277. Accessed May 2, 2024. http://www.informaticsjournals.com/index.php/ijnd/article/view/7494.