1[1]ICSH:Recommendations for reference method for haemoglobinometry in human bloood(ICSH standard 1995)and specifications for internationa emiglobincyanide stmdard(4th edition).Journal of Clinical Pathology,1996;9:271～27
2[2]ICSH:Recommendation for reference method for determination by centrifugation of packed cell volume of blood.Journal of ClinicaPathology,1980;33:1～2
3[3]ICSH:Reference method for the enumeration of erythroeytes and leukocytes.Clinical and Laboratory Haematology,1994;16:131～13
5[5]M Peng,Xiaolin G,Wei Wang,et.alExternal quality assessment survey for hematological laboratories in China.Southeast Asian Journal of Tropical Medicine and Public Health,1999;30:1～5
