title: Quality goals in external quality assessment are best based on biology.
authors: Department of Biochemical Medicine, Ninewells Hospital and Medical School, Scotland, U.K.
authors: C G
authors: CG
authors: Fraser
authors: P H
authors: PH
authors: Petersen
mesh_terms: D002624:Chemistry, Clinical / Q000592:standards; D006801:Humans; D007753:Laboratories / Q000592:standards*; D011786:Quality Control; D012016:Reference Values