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