. 2007 Dec 21;8(12):R271. doi: 10.1186/gb-2007-8-12-r271
Copyright © 2008 Wang et al.; licensee BioMed Central Ltd.
This 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.