Laboratory Medicine and Quality Assurance

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Fig. 3. Boxplot of error rates for each preanalytical quality indicator. In each box, horizontal center lines denote the median values, boxes denote the interquartile ranges, whiskers denote the maximum and minimum values, and black dots denote the outliers. Abbreviation: KEQAS, Korean Association of External Quality Assessment Service.
Lab Med Qual Assur 2024;46:145~155 https://doi.org/10.15263/jlmqa.2024.46.3.145
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