[Gastric juice acidity and cholera].
D000328:Adult; D000368:Aged; D002771:Cholera / Q000503:physiopathology*; D005260:Female; D005750:Gastric Juice / Q000503:physiopathology*; D006801:Humans; D006863:Hydrogen-Ion Concentration; D008297:Male; D008875:Middle Aged