M. Rogha, M. Zahiri Esfahani, and A. H. Zargarzadeh, “The efficacy of a synbiotic containing Bacillus Coagulans in treatment of irritable bowel syndrome: a randomized placebo-controlled trial”, Gastroenterol Hepatol Bed Bench, vol. 7, no. 3, pp. Gastroenterol Hepatol Bed Bench 2014;7(3):156–163, Jul. 2014.