title: Response to letters about vitamin B12.
authors.affiliation: Edmonton, Alta.
authors.forename: Michael R
authors.initials: MR
authors.lastname: Kolber
authors.affiliation: Edmonton, Alta.
authors.forename: Sherilyn K D
authors.initials: SK
authors.lastname: Houle
mesh_terms: D006801:Humans; D014805:Vitamin B 12 / Q000008:administration & dosage*; D014806:Vitamin B 12 Deficiency / Q000188:drug therapy*; D014803:Vitamin B Complex / Q000008:administration & dosage*
chemical_list: D014803:Vitamin B Complex; D014805:Vitamin B 12