2023. The Combination Effect of Collagen-Chitosan Hydrogel and Injectable Platelet-Rich Fibrin Fractionation on Osteoblast Migration and Proliferation. European Journal of Dental and Oral Health. 4, 3 (June 2023), 22–27. DOI:https://doi.org/10.24018/ejdent.2023.4.3.264.