. 2007 Jul 26;7:183. doi: 10.1186/1471-2458-7-183
Copyright © 2007 Rebergen 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.
Figure 1.
Flow chart of time line, study design and return to work.