Open Access
Review
Issue
Regen Med Res
Volume 1, 2013
Article Number 9
Number of page(s) 5
DOI https://doi.org/10.1186/2050-490X-1-9
Published online 06 December 2013

© 2013 Liu et al.; licensee BioMed Central Ltd.

Licence Creative CommonsThis is an Open Access article distributed under the terms of the Creative Commons Attribution License (http://creativecommons.org/licenses/by/2.0), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.