Mai Phuong, Nguyen Thi, and Phan Tuan Nghia. “Zinc Effects on Enzymes of Oral Bacteria”. <i>Academia Journal of Biology</i> 28, no. 2 (November 12, 2014): 86–90. Accessed January 2, 2026. https://vjs.ac.vn/vjbio/article/view/5314.