PLGA/β-TCP composite scaffold incorporating cucurbitacin B promotes bone regeneration by inducing angiogenesis oleh Wen-Xiang Cheng, Yan-Zhi Liu, Xiang-Bo Meng, Zheng-Tan Zheng, Ling-Li Li, Li-Qing Ke, Ling Li, Cui-Shan Huang, Guo-Yuan Zhu, Hu-Dan Pan, Ling Qin, Xin-Luan Wang, Peng Zhang