Dughera, L., C. Elia, and M. Navino, et al. “Effects of Symbiotic Preparations on Constipated Irritable Bowel Syndrome Symptoms”. Acta Biomedica Atenei Parmensis 78, no. 2 (August 1, 2007): 111–116. Accessed July 27, 2024. https://mattioli1885journals.com/index.php/actabiomedica/article/view/1912.