“Modulation of Expression of Programmed Death-1 by Administration of Probiotic Dahi in DMH-Induced Colorectal Carcinogenesis in Rats”. Acta Biomedica Atenei Parmensis, vol. 84, no. 2, Sept. 2013, pp. 102-9, https://www.mattioli1885journals.com/index.php/actabiomedica/article/view/2659.