Quality control in haematology.
D001331:Automation; D001772:Blood Cell Count / Q000379:methods; D001793:Blood Preservation; D003201:Computers; D003584:Cytological Techniques; D006400:Hematocrit; D006405:Hematology / Q000592:standards*; D006801:Humans; D011786:Quality Control; D011996:Records