title: Gastric hypochlorhydria and achlorhydria in older adults.
authors.forename: R M
authors.initials: RM
authors.lastname: Russell
mesh_terms: D000126:Achlorhydria / Q000453:epidemiology*; D000368:Aged; D005757:Gastritis, Atrophic / Q000453:epidemiology*; D006801:Humans; D014481:United States / Q000453:epidemiology