Xiao, D, Yang, M, Zhang, M, Rong, L, Wang, Y, Cheng, H, Sui, X, Sheikh, S P & Lu, M 2021, ' MicroRNA-126 from stem cell extracellular vesicles encapsulated in a tri-layer hydrogel scaffold promotes bladder angiogenesis by activating CXCR4/SDF-1α pathway ', Chemical Engineering Journal, vol. 425, 131624 . https://doi.org/10.1016/j.cej.2021.131624