1. The theory of reference values;International Committee for Standardization in Haematology;Clin Lab Haematol,1981
2. The theory of reference values Part 6: Presentation of observed values related to reference values;International Federation of Clinical Chemistry and International Council for Standardization in Haematology;Journal of Clinical Biochemistry,1987
3. Quality counts: new parameters in blood cell counting;Briggs;International Journal of Laboratory Hematology,2009
4. Standardization of blood specimen collection procedures for reference values;International Committee for Standardization in Haematology;Clin Lab Haematol,1982
5. The theory of reference values Part 5: Statistical treatment of collected reference values. Determination of reference limits;International Federation of Clinical Chemistry and International Council for Standardization in Haematology;J Clin Chem Clin Biochem,1987