Review
Copyright ©The Author(s) 2021.
World J Stem Cells. May 26, 2021; 13(5): 366-385
Published online May 26, 2021. doi: 10.4252/wjsc.v13.i5.366
Figure 1
Figure 1 The selection of PubMed literature published from 2000 to 2020, which was considered in the manuscript.