title: Possible cause of false normal B-12 assays.
authors.forename: Malcolm S
authors.initials: MS
authors.lastname: Hamilton
authors.forename: Sheena
authors.initials: S
authors.lastname: Blackmore
authors.forename: Anne
authors.initials: A
authors.lastname: Lee
mesh_terms: D005189:False Positive Reactions; D006801:Humans; D014805:Vitamin B 12 / Q000097:blood; D014806:Vitamin B 12 Deficiency / Q000175:diagnosis*
chemical_list: D014805:Vitamin B 12