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Jeppsson JO, Arndt T, Schellenberg F, Wielders JP, Anton RF, Whitfield JB, Helander A; International Federation of Clinical Chemistry and Laboratory Medicine Working Group on Standardization of Carbohydrate-deficient Transferin (IFCC-WG-CDT).Jeppsson JO, et al. Among authors: helander a.Clin Chem Lab Med. 2007;45(4):558-62. doi: 10.1515/CCLM.2007.107.Clin Chem Lab Med. 2007.PMID: 17439340