. 2011 Dec 19;27(4):275–281. doi: 10.5625/lar.2011.27.4.275
Copyright © 2011 Korean Association for Laboratory Animal Science
This is an Open Access article distributed under the terms of the Creative Commons Attribution Non-Commercial License (http://creativecommons.org/licenses/by-nc/3.0) which permits unrestricted non-commercial use, distribution, and reproduction in any medium, provided the original work is properly cited.