25-Hydroxyvitamin D assays: the quest for accuracy.
Carter
Graham D
GD
DEQAS Organizer, Imperial College Healthcare NHS Trust, London, UK. b.carter1@which.net
D002853:Chromatography, Liquid; D006801:Humans; D011863:Radioimmunoassay; D012680:Sensitivity and Specificity; D053719:Tandem Mass Spectrometry; D014807:Vitamin D / Q000031:analogs & derivatives* / Q000097:blood
D014807:Vitamin D; C104450:25-hydroxyvitamin D