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HIV incidence in rural South Africa : comparison of estimates from longitudinal surveillance and cross-sectional cBED assay testing
(Public Library of Science (PLOS), 2008-04)
Background: The BED IgG-Capture Enzyme Immunoassay (cBED assay), a test of recent HIV infection, has been used to estimate HIV incidence in cross-sectional HIV surveys. However, there has been concern that the assay ...