Laboratory Medicine and Quality Assurance

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Fig. 2. Variation in the distribution of T-cell flow cytometry crossmatch (T-FCXM) and B-cell flow cytometry crossmatch (B-FCXM) median fluorescent intensity ratio values according to the type of negative control (NC) and the presence or absence of pronase treatment for each sample. (A) Own laboratory NC (Lab NC). (B) Common NC (Korean Organ Donation Center NC). In the notes, A and B indicate tested cells obtained from two donors, and negative serum (NS)1–25 indicate negative sera used in the test. Abbreviation: CV, coefficient of variation.
Lab Med Qual Assur 2022;44:204~211
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