Gajalakshmi, P., A. Raja, M. Mohamed Mahroop Raja, and A. Habeeb Rahman. “Application of Kefir Against Diarrhoeic Pathogens”. The Indian Journal of Nutrition and Dietetics, vol. 47, no. 10, Oct. 2010, pp. 463-5, https://informaticsjournals.co.in/index.php/ijnd/article/view/4703.