1International Organization for Standardization. GUIDE 35-2006 Reference materials General and statistical principles for certifica tion(3 th edition) [S]. Switzerland : Peter Long, 2006.
2International Council for Standardization in Hematology. Recom- mendations for measurement of erythrocyte sedimentation rate[J]. Clin pathol,1993,46(1) :198-203.
3Anon. 1CSH guidelines on selection of laboratory tests for monito ring the acute phase response[J]. Clin pathoI, 1988,41 (3) : 1203 1208.