. 2010 Nov 3;4:271–278. doi: 10.2174/1874120701004010271
© Huang et al.; Licensee Bentham Open.
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 work is properly cited.