Z. G. AL-JASSIM, “USING BREWER’S YEAST AND GINGER IN THE MANAGEMENT OF CONSTIPATION-PREDOMINANT IRRITABLE BOWEL SYNDROME: A RANDOMIZED DOUBLE-BLIND PLACEBO-CONTROLLED TRIAL”, Asian J Pharm Clin Res, vol. 12, no. 3, pp. 372–376, Mar. 2019.