title: What's new about an old disease?
authors.forename: J F
authors.initials: JF
authors.lastname: Barlow
mesh_terms: D000465:Algorithms; D000752:Anemia, Pernicious / Q000188:drug therapy / Q000209:etiology* / Q000473:pathology; D001327:Autoimmune Diseases; D002493:Central Nervous System Diseases / Q000517:prevention & control; D005494:Folic Acid Deficiency / Q000175:diagnosis / Q000209:etiology*; D006801:Humans; D014806:Vitamin B 12 Deficiency / Q000175:diagnosis / Q000209:etiology*