title: Certificate of analysis NFKK Reference Serum X: a reprint.
authors.affiliation: DEKS, 54 M1, Herlev University Hospital, DK-2730 Herlev, Denmark.
authors.forename: M M
authors.initials: MM
authors.lastname: Pedersen
authors.forename: P
authors.initials: P
authors.lastname: Rustad
authors.forename: P
authors.initials: P
authors.lastname: Simonsson
mesh_terms: D001774:Blood Chemical Analysis / Q000592:standards*; D002568:Certification; D002624:Chemistry, Clinical / Q000592:standards*; D015510:Clinical Medicine / Q000592:standards*; D006801:Humans; D007391:International Cooperation; D007755:Laboratories, Hospital / Q000592:standards; D012537:Scandinavian and Nordic Countries; D044967:Serum / Q000737:chemistry*; D012958:Societies, Scientific