3England JM, Rowan RM, van Assendelft OW, et al. Proto-col for evaluation of automated blood cell counters. Inter- national Committee for Standardization in Haematology (IC- SH)[J]. Clin Lab Haematol, 1984, 6(1):69-84.
4Clinical and Laboratory Standards Institute (CI_SI). Refer- ence leukocyte(WBC) differential count(proportional) and evaluation of instrumental methods; approved standard- second edition[S]. CLSI Document H20-A2, 2007:27.
5Kern C. An evaluation of the beckman coulter compact 5- Part differential hematology analyzer AcT 5diff[J]. Labora- tory Hematology, 2001, 7:125-129.
