title: Biologically significant serum vitamin B12 deficiency in multiple sclerosis inadequately documented.
authors.forename: D E
authors.initials: DE
authors.lastname: Goodkin
authors.forename: D W
authors.initials: DW
authors.lastname: Jacobsen
authors.forename: R
authors.initials: R
authors.lastname: Green
mesh_terms: D006801:Humans; D009103:Multiple Sclerosis / Q000097:blood* / Q000150:complications; D014806:Vitamin B 12 Deficiency / Q000097:blood* / Q000150:complications