Effects of different implantation densities on the growth and multi-directional differentiation of human umbilical cord mesenchymal stem cells

Li Xin, Diao Ke, Zhang Feng-xiang, Sun Da-peng

Chinese Journal of Tissue Engineering Research . 2012, (14): 2550 -2554 . DOI: 10.3969/j.issn.1673-8225.2012.14.016