Alum potash in water to prevent cholera.
D000534:Alum Compounds / Q000494:pharmacology*; D000535:Aluminum / Q000494:pharmacology*; D001459:Bangladesh; D002771:Cholera / Q000517:prevention & control*; D002986:Clinical Trials as Topic; D006801:Humans; D014734:Vibrio cholerae / Q000187:drug effects; D014871:Water Microbiology
D000534:Alum Compounds; D000535:Aluminum