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Fig. 1.

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Fig. 1. Flow diagram of performance evaluation for (A) qualitative and (B) semi-quantitative tests in the KEQAS EQA scheme. Abbreviations: KEQAS, Korean Association of External Quality Assessment Service; EQA, external quality assessment.
Ann Lab Med 2021;41:230~239 https://doi.org/10.3343/alm.2021.41.2.230

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