External quality assurance model for improvement of specificity and accuracy of serum hormone determinations in the Nordic countries.
Ruokonen
A
A
Department of Clinical Chemistry, Oulun Yliopisto, Finland.
Hyltoft-Petersen
P
P
Blaabjerg
O
O
D002624:Chemistry, Clinical / Q000592:standards; D006728:Hormones / Q000097:blood*; D006801:Humans; D011786:Quality Control; D015203:Reproducibility of Results; D012537:Scandinavian and Nordic Countries; D012680:Sensitivity and Specificity
D006728:Hormones