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Fig. 3.

Images of urine sediments (with arrow) for the external quality assessment. (A) CUI-17-05 uric acid crystal (original magnification ×200). (B) CUI-17-06 renal tubular epithelial cell (original magnification ×400). (C) CUI-17-07 waxy cast (original magnification ×100). (D) CUI-17-08 ammonium urate crystal (original magnification ×400).

J Lab Med Qual Assur 2018;40:128~135 https://doi.org/10.15263/jlmqa.2018.40.3.128
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