title: [Vitamin B 12 deficiency in the aged: practical points and applications].
authors.forename: I
authors.initials: I
authors.lastname: Bopp-Kistler
mesh_terms: D000368:Aged; D006801:Humans; D015203:Reproducibility of Results; D012546:Schilling Test; D014806:Vitamin B 12 Deficiency / Q000175:diagnosis*