Reference materials (RMs) and external quality assessment (EQA) are cornerstones in clinical chemistry, underpinning the harmonisation, comparability, and accuracy of laboratory measurements. RMs, ...
External Quality Assessment (EQA) is a cornerstone in maintaining and improving the accuracy, reliability and comparability of clinical laboratory test results worldwide. By systematically comparing ...
Many assays have integrated, built-in, or internal controls to demonstrate their operability at specific procedural steps. What role do these built-in controls play in quality control to assure ...