Widjiastuti, I., Subiyanto, A., Ningtyas, E. K., Popyandra, R., Kurniawan, M. G., & Retnaningsih, F. D. (2020). Propolis extract as pulp capping material enhances odontoblast-like cell thickness and type 1 collagen expression (in vivo). Dental Journal, 53(1), 1–5. https://doi.org/10.20473/j.djmkg.v53.i1.p1-5