Chaisalee, A., T. Chaturamaytanon, A. Promsudthi, and R. Surarit. “Long-term effect of periodontal treatment on gingival crevicular fluid level of Cathepsin K in chronic periodontitis patients with type 2 diabetes mellitus”. Mahidol Dental Journal, vol. 41, no. 1, Apr. 2021, pp. 1-18, https://he02.tci-thaijo.org/index.php/mdentjournal/article/view/242477.