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Including unpublished surveys in reviews on Chagas disease in Mexico
Pierre Buekens1, Jorge López-Cárdenas2, Eric Dumonteil3
1School of Public Health and Tropical Medicine, Tulane University, 1440 Canal St., Suite 2001, New Orleans, LA, 70112, USA. pbuekens@tulane.edu.
Abstract:
A consequence of the late awareness of Chagas disease in North America is that many early studies were never published in peer-reviewed journals and are not easily accessible for inclusion in systematic reviews. We reviewed data from the state of Guanajuato, Mexico, as an illustration. Three population-based surveys have been performed between 1991 and 2002 and were never fully published. Systematic reviews should recognize this publication bias.
