Fig. 3From: Induction of granulation tissue for the secretion of growth factors and the promotion of bone defect repairProteins cultured with mouse mesenchymal stem cells to examine cell proliferation. a, d At weeks 2 and 8, the OD values for the induced membrane samples were almost equal to the periosteum (P > 0.05). b, c The OD values of the induced membrane samples were higher than the periosteum (P < 0.05)Back to article page