Underestimation of serum 25-hydroxyvitamin D by the Nichols Advantage Assay in patients receiving vitamin D replacement therapy.
Leventis
Pamela
P
Garrison
Lisa
L
Sibley
Margaret
M
Peterson
Pamela
P
Egerton
Martyn
M
Levin
Gerald
G
Kiely
Patrick
P
D000328:Adult; D000368:Aged; D000369:Aged, 80 and over; D004872:Ergocalciferols / Q000627:therapeutic use*; D005188:False Negative Reactions; D005260:Female; D006801:Humans; D008875:Middle Aged; D014807:Vitamin D / Q000031:analogs & derivatives* / Q000097:blood; D014808:Vitamin D Deficiency / Q000188:drug therapy*
D004872:Ergocalciferols; D014807:Vitamin D; C104450:25-hydroxyvitamin D