Khasanjon Shokirjonovich Mirzayev. “Scientific Rationale for the Use of Proteolytic Enzymes in Tooth Whitening: A Clinical and Methodological Analysis of Efficacy and Risks”. International Journal of Medical Sciences And Clinical Research 6, no. 05 (May 21, 2026): 71–75. Accessed October 20, 2026. https://theusajournals.com/index.php/ijmscr/article/view/10631.