title: Vitamin B12 deficiency.
authors.forename: John Paul
authors.initials: JP
authors.lastname: Killen
authors.forename: Vanessa L
authors.initials: VL
authors.lastname: Brenninger
mesh_terms: D005260:Female; D006801:Humans; D014805:Vitamin B 12 / Q000008:administration & dosage*; D014806:Vitamin B 12 Deficiency
chemical_list: D014805:Vitamin B 12