title: Another PPI precaution.
mesh_terms: D064420:Drug-Related Side Effects and Adverse Reactions; D006293:Health Promotion / Q000379:methods*; D006801:Humans; D054328:Proton Pump Inhibitors / Q000008:administration & dosage / Q000009:adverse effects*; D013272:Stomach Diseases / Q000188:drug therapy*; D014481:United States; D014805:Vitamin B 12 / Q000008:administration & dosage* / Q000097:blood; D014806:Vitamin B 12 Deficiency / Q000139:chemically induced / Q000517:prevention & control*
chemical_list: D054328:Proton Pump Inhibitors; D014805:Vitamin B 12