Low serum vitamin B12 levels in patients receiving ascorbic acid in megadoses: studies concerning the effect of ascorbate on radioisotope vitamin B12 assay.
D000328:Adult; D001205:Ascorbic Acid / Q000494:pharmacology; D055598:Chemical Phenomena; D002621:Chemistry; D003486:Cyanides; D004305:Dose-Response Relationship, Drug; D005188:False Negative Reactions; D006801:Humans; D006863:Hydrogen-Ion Concentration; D007437:Intrinsic Factor; D008297:Male; D008875:Middle Aged; D013119:Spinal Cord Injuries / Q000378:metabolism*; D014556:Urine; D014805:Vitamin B 12 / Q000032:analysis / Q000097:blood*
D003486:Cyanides; D007437:Intrinsic Factor; D014805:Vitamin B 12; D001205:Ascorbic Acid