[Observations on gastric operations and acidity of gastric juice in patients with cholera].
D000126:Achlorhydria / Q000150:complications; D002771:Cholera / Q000209:etiology / Q000517:prevention & control; D002957:Citrus; D005743:Gastrectomy; D005750:Gastric Juice / Q000503:physiopathology*; D006801:Humans; D006863:Hydrogen-Ion Concentration