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. 2009 Dec 11;8:291. doi: 10.1186/1475-2875-8-291

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Copyright ©2009 Metzger 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.

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Annual Parasite Index (API) by Municipalities and by Ethnic Groups in Amazonas (2007). Left: Annual Parasite Index (API) by municipalities. Right: Annual Parasite Index (API) by ethnic groups. Schematic illustration of the settlement area of the ethnic groups of Guahibo (1), Puinave (2), Yanomami (3).