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Clinical chemistry reagents used to perform tests in a short period of time, typically several minutes (i.e., rapid tests), to determine several constituents in a sample of whole blood. These reagents may be impregnated in one or more areas of a paper strip (reagent strip) that undergo a color change when reacted with specific substances. Whole blood rapid-test multianalytic reagents are mostly used for simultaneous determination of two or more of the most important clinical substances in blood (e.g., glucose, cholesterol, lactates).
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