Stevenson, C., R. Blaauw, E. Fredericks, J. Visser, and S. Roux. “Probiotic Effect and Dietary Correlations on Faecal Microbiota Profiles in Irritable Bowel Syndrome”. South African Journal of Clinical Nutrition, Vol. 34, no. 3, Sept. 2021, pp. 84-89, http://sajcn.co.za/index.php/SAJCN/article/view/1546.