Turan, İlker, Özden Dedeli, Serhat Bor, and Tankut İlter. “Effects of a Kefir Supplement on Symptoms, Colonic Transit, and Bowel Satisfaction Score in Patients With Chronic Constipation: A Pilot Study”. Turkish Journal of Gastroenterology 25, no. 6 (January 6, 2014): 650–656. Accessed January 1, 2026. https://turkjgastroenterol.org/index.php/tjg/article/view/2644.