. 2007 Apr 19;2:7. doi: 10.1186/1746-4358-2-7
Copyright © 2007 Manizheh 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 of the study participants.