Goktas, Olgun, and Canan Ersoy. “Evaluating a physicians’ Perspective on the Use of Probiotics and Vitamins Against Coronavirus Disease”. Journal of the Pakistan Medical Association 72, no. 11 (October 15, 2022): 2245–2250. Accessed July 27, 2026. https://www.jpma.org.pk/index.php/public_html/article/view/5405.