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.