title: [Vitamin B12 deficiency and acid blockers - connection is there, causality remains unclear].
authors.affiliation: Horten-Zentrum für praxisorientierte Forschung und Wissenstransfer, Universitätsspital Zürich.
authors.forename: Stefan
authors.initials: S
authors.lastname: Markun
mesh_terms: D005260:Female; D006635:Histamine H2 Antagonists / Q000627:therapeutic use*; D006801:Humans; D008297:Male; D054328:Proton Pump Inhibitors / Q000627:therapeutic use*; D014806:Vitamin B 12 Deficiency / Q000453:epidemiology*
chemical_list: D006635:Histamine H2 Antagonists; D054328:Proton Pump Inhibitors