Advances in Plasma Protein Standardization

Whicher JT . Calibration is the key to immunoassay but the ideal calibrator is unattainable. Scand J Clin Lab Invest 1991; 51(suppl 205): 21–32.

Rowe DS Anderson SG Grab B . A research standard for human serum immunoglobulins IgG, IgA and IgM. Bull World Health Org 1970; 42: 535–52.

Rowe DS Grab B Anderson SG . An international reference preparation for human serum immunoglobulins G, A and M: Content of immunoglobulins by weight. Bull World Health Org 1972; 46: 67–79.

Westgard JO Klee GG . Quality management. In: Burtis CA Ashwood ER , eds. Tietz Textbook of Clinical Chemistry, 2nd edn. Philadelphia: WB Saunders, 1994: 548–92.

Bullock DG Dumont G Vassault A Aguzzi F Chambers RE Ward Milford A , Immunochemical assays of serum proteins: A European external quality assessment survey and the effects of calibration procedures on interlaboratory agreement. Clin Chim Acta 1990; 187: 21–36.

Baudner S Bienvenu J Blirup-Jensen S Carlstrom A Johnson AM Milford Ward The certification of a matrix reference preparation for immunochemical measurement of 14 human serum proteins. CRM 470. Brussels: Community Bureau of Reference, Commission of the European Communities, 1193: 1–172.

Bullock DG Wilde CE . External quality assessment of urinary pregnancy oestrogen assay: Further experience in the United Kingdom. Ann Clin Biochem 1985; 22: 273–82.

Reimer CB Smith SJ Wells TW Nakamura RM Keitges PW Ritchie RF . Collaborative calibration of the U.S. National and the College of American Pathologists Reference Preparations for specific serum proteins. Am J Clin Pathol 1982; 77: 12–19.

Reimer CB Smith SJ Hannon WH Ritchie RF van Es L Becker W . Progress towards international reference standards for human serum proteins. J Biol Stand 1978; 6: 133–8.

Nakamura RM Hanson DJ Keitges PW Reimer CB Dorsey DB Ritchie RF . Development of the CAP reference preparation for serum proteins. Pathologist 1981; 35: 377–9.

Reimer CB Smith SJ Wells TW . Collaborative calibration of three established reference preparations for specific proteins in human sera as secondary standards for IgA, IgM, and IgG. J Biol Stand 1981; 9: 393–400.

Ward Milford A White PAE Thompson RA Smith AM Whicher JT Chambers RE . Preparation of a calibration material for specific protein assay (SPS-01). Ann Clin Biochem 1984; 21: 254–6.

Reimer CB Maddison SE . Standardization of human immunoglobulin quantitation: A review of current status and problems. Clin Chem 1976; 22: 577–82.

Ritchie RF Rippey JH . Performance on immunoglobulin IgG, IgA and IgM tests in CAP survey specimens. Am J Clin Pathol 1982; 78(suppl): 644–50.

Chambers RE Whicher JT Bullock DG . External quality assessment of immunoassays for specific proteins in serum; 18 months' experience in the United Kingdom. Ann Clin Biochem 1984; 21: 246–53.

Chambers RE Bullock DG Whicher JT . Improved between-laboratory agreement for specific protein assays in serum following introduction of a common reference preparation (SPS-01) demonstrated in an external quality assessment scheme. Clin Chim Acta 1987; 164: 189–200.

Whicher JT Ritchie RF Johnson AM Baudner S Bienvenu J Blirup-Jensen S . New International Reference Preparation for Proteins in Human Serum (RPPHS). Clin Chem 1994; 40: 934–8.

Ritchie R. Immunoanalytical standardization - a global science. Scand J Clin Lab Invest 1991; 51(suppl 205): 3–10.

Büttner J . Reference materials and reference methods in laboratory medicine: A challenge to international cooperation. Eur J Clin Chem Clin Biochem 1994; 32: 571–7.