W. Wiwekowati, M. T. . Ma’ruf, S. Walianto, A. . Sabir, and I. P. E. Widyadharma, “Indonesian Propolis Reduces Malondialdehyde Level and Increase Osteoblast Cell Number in Wistar Rats with Orthodontic Tooth Movement”, Open Access Maced J Med Sci, vol. 8, no. A, pp. 100–104, Apr. 2020.