Sularsih, Sularsih, and Endah Wahjuningsih. 2015. “Expression of Bone Morphogenetic Protein-2 After Using Chitosan Gel With Different Molecular Weight on Wound Healing Process of Dental Extraction”. Dental Journal 48 (2):53-58. https://doi.org/10.20473/j.djmkg.v48.i2.p53-58.