. 2004 Nov 10;9(1):R1–R8. doi: 10.1186/cc2992
Copyright © 2004 Van Putte 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.