. 2012 Nov 15;13(11):15054–15073. doi: 10.3390/ijms131115054
© 2012 by the authors; licensee Molecular Diversity Preservation International, Basel, Switzerland.
This article is an open-access article distributed under the terms and conditions of the Creative Commons Attribution license (http://creativecommons.org/licenses/by/3.0).
Figure 1.
Four phases of cell cycle (G1-S-G2-M).