Pourhoseingholi, M. A., S. A. Kaboli, A. Pourhoseingholi, B. Moghimi-Dehkordi, A. Safaee, B. K. Mansoori, M. Habibi, and M. R. Zali. “Obesity and Functional Constipation; A Community-Based Study in Iran”. Journal of Gastrointestinal and Liver Diseases, vol. 18, no. 2, June 2009, pp. 151-5, https://www.jgld.ro/jgld/index.php/jgld/article/view/2009.2.3.