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We studied the diagnostic usefulness of semiquantitative determination of procalcitonin (PCT) concentrations in neonatal serum by reference to a quantitative method. We compared 302 results of PCT measurements in 151 samples of venous blood collected during the 1st 7 days of life. The semiquantitative BRAHMS PCT-Q test and the quantitative immunoluminometric LUMItest were compared with Cohen's κ as...
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