miR-124 regulates the osteogenic differentiation of bone marrow-derived mesenchymal stem cells by targeting Sp7. - Tang, Jia-Zhen; Lin, Xiao; Zhong, Jia-Yu; Xu, Feng; Wu, Feng; Liao, Xiao-Bo; Cui, Rong-Rong; Li, Fuxingzi; Yuan, Ling-Qing (Molecular Medicine Reports, 2019)