Analytical inaccuracy for folic acid with a popular commercial vitamin B12/folate kit.
Levine
S
S
D005492:Folic Acid / Q000097:blood*; D006801:Humans; D011933:Reagent Kits, Diagnostic / Q000592:standards*; D014805:Vitamin B 12 / Q000097:blood*
D011933:Reagent Kits, Diagnostic; D005492:Folic Acid; D014805:Vitamin B 12