[On the incidence of hydrochloric acid deficiency in advanced age (with a statement on the usefulness of the desmoid test)].
D000126:Achlorhydria; D000375:Aging; D000740:Anemia; D018222:Desmoid Tumors; D005745:Gastric Acidity Determination; D006801:Humans; D006851:Hydrochloric Acid; D015994:Incidence
D006851:Hydrochloric Acid
ACHLORHYDRIA; AGING; ANEMIA; GASTRIC ACIDITY DETERMINATION