Confirmatory blood tests by the National Institute of Justice
= Confirmatory blood tests by the National Institute of Justice
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https://nij.ojp.gov/nij-hosted-online-training-courses/laboratory-orientation-and-testing-body-fluids-and-tissues/testing-body-fluids-tissues/blood/confirmatory-tests
Official training page distinguishing crystal confirmation of <blood> from human-origin testing using antisera.