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Items for "reference measurement procedure"

A reference material for traceability of aspartate aminotransferase (AST) results

Standardization of aspartate aminotransferase (AST) determination is highly desirable for inter-laboratory comparison...

Keywords: commutability, enzyme calibrator, metrological traceability, reference material, reference measurement procedure

05/2005 | Clinical Chemical Laboratory Medicine, Walter de Gruyter
Intermethod calibration of alanine aminotransferase (ALT) and ?-glutamyltransferase (GGT) results: application to Fibrotest® and Actitest® scores

Two multi-component scores (Fibrotest® and Actitest®) have been proposed to evaluate liver fibrosis or necro-inflammatory lesions as an alternative to liver biopsy...

Keywords: commutability, enzyme calibrator, reference measurement procedure

04/2006 | Clinical Chemical Laboratory Medicine, Walter de Gruyter
Standardization of ?-glutamyltransferase assays by intermethod calibration. Effect on determining common reference limits

Background: The improvement of the consistency of ?-glutamyltransferase (GGT) activity results among different assays after calibration with a common material was estimated...

Keywords: enzyme calibration, ?-glutamyltransferase measurement, intermethod coherency, reference limits, reference measurement procedure

10/2007 | Clinical Chemical Laboratory Medicine, Walter de Gruyter