Fig. 4From: Osteogenesis evaluation of duck’s feet-derived collagen/hydroxyapatite sponges immersed in dexamethasone a Proliferation of BMSCs on DC sponges and DC/HAp immersed in dexamethasone after 1, 7, 14, 21, and 28 days studied by MTT assay. b Osteogenic differentiation of BMSCs on DC sponges and DC/HAp sponges immersed in Dex after 1, 7, 14, 21, and 28 days by ALP assay. (p* < 0.05, p** < 0.01, p*** < 0.001)Back to article page