title: Screening for cobalamin deficiency.
authors.forename: E J
authors.initials: EJ
authors.lastname: Norman
mesh_terms: D000368:Aged; D006801:Humans; D008403:Mass Screening / Q000379:methods*; D011237:Predictive Value of Tests; D014805:Vitamin B 12 / Q000097:blood* / Q000652:urine*; D014806:Vitamin B 12 Deficiency / Q000097:blood* / Q000652:urine*
chemical_list: D014805:Vitamin B 12