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Live/Dead assay at (a) one and (b) seven days of human osteoblast culture onto HA coating; (c) human osteoblast cells proliferation measured by 3-(4,5-dimethylthiazol-2-yl)-5-(3-carboxymethoxyphenyl)-2-(4-sulfophenyl)-2H-tetrazolium (MTS) assay at one and seven days of culture onto HA coating (n = 3).
