Effect of ascorbic acid in vitamin B12 quality-control sera.
D001205:Ascorbic Acid / Q000097:blood*; D001769:Blood; D055598:Chemical Phenomena; D002621:Chemistry; D011786:Quality Control; D011933:Reagent Kits, Diagnostic; D014805:Vitamin B 12 / Q000097:blood*
D011933:Reagent Kits, Diagnostic; D014805:Vitamin B 12; D001205:Ascorbic Acid