title: [B12 deficiency--an underestimated problem].
authors.forename: T
authors.initials: T
authors.lastname: Pettersson
mesh_terms: D000284:Administration, Oral; D000329:Advertising; D015415:Biomarkers / Q000032:analysis; D004338:Drug Combinations; D004346:Drug Information Services; D006710:Homocysteine / Q000097:blood; D006801:Humans; D007273:Injections, Intramuscular; D013607:Tablets; D014805:Vitamin B 12 / Q000008:administration & dosage*; D014806:Vitamin B 12 Deficiency / Q000175:diagnosis / Q000188:drug therapy* / Q000517:prevention & control
chemical_list: D015415:Biomarkers; D004338:Drug Combinations; D013607:Tablets; D006710:Homocysteine; D014805:Vitamin B 12