HbA1c standardisation destination--global IFCC Standardisation. How, why, where and when--a tortuous pathway from kit manufacturers, via inter-laboratory lyophilized and whole blood comparisons to designated national comparison schemes
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Glycohaemoglobins were first used in routine clinical laboratories for diabetes monitoring around 1977 and at the time all methods had either no calibrators, or used material with assayed values derived from individual manufacturers' assays. Over the next five... ...
