Interlaboratory variation in 25-hydroxyvitamin D2 and 25-hydroxyvitamin D3 is significantly improved if common calibration material is used.
Yates
Alexandra Marie
AM
Bowron
Ann
A
Calton
Lisa
L
Heynes
Joanne
J
Field
Helen
H
Rainbow
Sandra
S
Keevil
Brian
B
D015652:25-Hydroxyvitamin D 2 / Q000097:blood / Q000592:standards*; D002112:Calcifediol / Q000097:blood / Q000592:standards*; D002138:Calibration; D002853:Chromatography, Liquid; D006801:Humans; D011786:Quality Control; D012015:Reference Standards; D053719:Tandem Mass Spectrometry
D015652:25-Hydroxyvitamin D 2; D002112:Calcifediol