Engineered extracellular vesicles: Regulating the crosstalk between the skeleton and immune system oleh Wei-Wei Yu, Qian-Qian Wan, Yu Wei, Yu-Tao Li, Qi-Hong Li, Tao Ye, Ke-Hui Xu, Jing-Han Song, Chen Lei, Mei-Chen Wan, Kai Jiao, Franklin R Tay, Li-Na Niu