Perveen, Shaila, and Mir Azimuddin Ahmed. “Proboitics and Their Role in GI Diseases”. Journal of Bangladesh College of Physicians and Surgeons 34, no. 2 (April 23, 2017): 92–99. Accessed April 20, 2024. https://www.banglajol.info/index.php/JBCPS/article/view/32296.