Precedents set in the historic Barr case continue to raise questions over suitable sample-size criteria. "... the number of retests performed before a firm concludes that an unexplained out of ...
This paper discusses what causes cross-linking, how cross-linking is addressed with addition of enzymes, and consideration for occasional high results that can be obtained during release testing. A ...
Population biomonitoring data sets such as the Canadian Health Measures Survey (CHMS) and the United States National Health and Nutrition Examination Survey (NHANES) collect and analyze spot urine ...
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