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Cell proliferation of hBMSCs cultured on HAP/chitosan and WH/chitosan membranes and in control membrane at different times. Data are expressed as mean ± SD. *Significant difference between HAP/chitosan and control (P<0.05); **significant difference between WH/chitosan and HAP/chitosan or the control (P<0.05).
Abbreviations: WH, whitlockite; HAP, hydroxyapatite; SD, standard deviation; hBMSCs, human mesenchymal stem cells.
