Lot-to-Lot Variation in Anti-Hepatitis C Signal-to-Cutoff Ratio

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Lot-to-lot variation in anti-hepatitis C signal-to-cutoff ratio.

Lot-to-Lot Variation in Anti-Hepatitis C Signal-to-Cutoff Ratio, D. Robert Dufour (Pathology and Laboratory Medicine Service, Veterans Affairs Medical Center, and Department of Pathology, The George Washington University Medical Center, Washington, DC; address for correspondence: Pathology and Laboratory Medicine Service-113, Veterans Affairs Medical Center, 50 Irving St. NW, Washington DC 2042...

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Anti-HCV Signal-to-Cutoff Ratio in Predicting Hepatitis C Viremia

Hepatitis C virus (HCV) is one of the major etiologic agents of chronic liver diseases. Early and effective screening test of HCV was developed since the virus was first identified in 1989. The screening test of HCV is antiHCV antibody test by immunoassays and the infection status is confirmed by recombinant immunoblot assay (RIBA) and nucleic acid testing of HCV. Anti-HCV test was firstly deve...

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Significance of Anti-HCV Signal-to-Cutoff Ratio in Predicting Hepatitis C Viremia

BACKGROUND/AIMS Hepatitis C virus (HCV) RNA testing can be performed using qualitative or quantitative assays, and it is still unclear which is more useful as a primary test in patients positive for anti-HCV. The present study evaluated the usefulness of anti-HCV signal-to-cutoff ratio (S/CO ratio) for predicting HCV RNA results. METHODS Patients on whom a qualitative HCV RNA test was perform...

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How to Use MRP in Continuous Production Industries When Order Type is Lot for Lot

The Materials Requirements Planning (MRP) method that is applied in production planning and management has some weaknesses. One of its weaknesses is that the time in MRP method is discrete, and is considered as time period. Hence we are not able to order our requirements at irregular time moments or periods. In this paper, a new form of MRP is introduced that is named Continuous Materials Requi...

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ژورنال

عنوان ژورنال: Clinical Chemistry

سال: 2004

ISSN: 0009-9147,1530-8561

DOI: 10.1373/clinchem.2003.031039