interoffice memoranda, testimony, secondary compilations of primary sources, letters from spouses, death certificates, burial notices, film badge records, computer programs, and benefits and compensation claims.
While any one type or source of data may be biased; taken together, these biases sometimes offset each other, at least partially. And, when independent sources corroborate specific facts, confidence in the accuracy of the information increases.
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Data Sources for the Crossroads Study ."
Mortality of Veteran Participants in the CROSSROADS Nuclear Test . Washington, DC: The National Academies Press,
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