[THE PROBLEM OF SUBACIDITY].
D000126:Achlorhydria; D005971:Glutamates; D006801:Humans; D006851:Hydrochloric Acid; D010434:Pepsin A
D005971:Glutamates; D010434:Pepsin A; D006851:Hydrochloric Acid
ACHLORHYDRIA; GLUTAMATES; HYDROCHLORIC ACID; PEPSIN