Wan Mohd Kamaluddin, W. N. F. ., A. F. Ismail, E. M. . Aidid, N. . Othman, and M. H. . Arzmi. “The Effect of Probiotics on the Development of Oral Cancer: A Systematic Review and Meta-Analysis”. IIUM Medical Journal Malaysia, vol. 18, no. 3, Jan. 2020, doi:10.31436/imjm.v18i2.637.