Putri, C. R., R. P. Rahayu, and R. D. Ridwan. “M1/M2 Macrophage Polarity in Elderly Patients With Periodontitis and Diabetes Mellitus”. Journal of Advance Medical Sciences, vol. 2, no. 2, Oct. 2022, pp. 20-23, https://dzarc.com/medical/article/view/39.