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Fig. 2.

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Fig. 2. Mean percentage bias in the ABCr PT survey stratified by (A) Cr concentrations and (B) assay methods. Abbreviations: ABCr PT, accuracy-based creatinine proficiency testing; Cr, creatinine; NT, not tested.
Ann Lab Med 2021;41:372~379 https://doi.org/10.3343/alm.2021.41.4.372

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