title: Laboratory tests in the diagnosis of vitamin B12 (cobalamin) deficiency.
authors.forename: D B
authors.initials: DB
authors.lastname: Matchar
authors.forename: J R
authors.initials: JR
authors.lastname: Feussner
mesh_terms: D001853:Bone Marrow / Q000473:pathology; D003857:Deoxyuridine; D006801:Humans; D008764:Methylmalonic Acid / Q000652:urine; D012546:Schilling Test; D014805:Vitamin B 12 / Q000097:blood; D014806:Vitamin B 12 Deficiency / Q000175:diagnosis*
chemical_list: D008764:Methylmalonic Acid; D014805:Vitamin B 12; D003857:Deoxyuridine