Some observations on cholera epidemics in Calcutta.
D000293:Adolescent; D000328:Adult; D002648:Child; D002675:Child, Preschool; D002771:Cholera / Q000453:epidemiology* / Q000382:microbiology; D004812:Epidemiologic Methods; D005260:Female; D006801:Humans; D007194:India; D008297:Male; D014733:Vibrio / Q000302:isolation & purification