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standard operating procedures auditing equipment sop quality assurance laboratory management acute leukemia immunophenotyping flow cytometry cd markers cytogenetics blood smear morphology peripheral blood bone marrow tasks responsibilities inspection iso clinical laboratory acute myeloid leukemia acute lymphoblastic leukemia scientist technician laboratory manager bias accuracy hematology quality clinical laboratory manager micropipette pipette calibrate adjust laboratory errors lab errors levey-jennings qc qc multi-rules westgard rules troubleshooting standards calibrators assurance minimal residual disease mixed phenotype acute leukemia all aml babesia falciparum trichuris taenia histolytica trophozoite coli entamoeba parasite identification clsi h21-a5 storage anticoagulant sodium citrate guidelines sampling preanalytic variables blood collection phlebotomy iso-15189 manager 颈尘辫谤别肠颈蝉颈贸苍 inaccuracy precrision maintenance adjustment calibration control