. 2011 Dec 30;10:387. doi: 10.1186/1475-2875-10-387
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This is an Open Acess article distributed under the terms of the Creative Common Attribution License (http://creativecommons.org/license/by/2.0), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
Figure 1.
Trial profile.