. 2011 Jan 4;12:2. doi: 10.1186/1745-6215-12-2
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This is an Open Access article distributed under the terms of the Creative Commons Attribution License (<url>http://creativecommons.org/licenses/by/2.0</url>), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
Figure 2.
Participant flow through RCT.