. 2007 Dec 18;1(Suppl 1):S144. doi: 10.1186/1753-6561-1-s1-s144
Copyright © 2007 Lam 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.