title: Epidemiological studies in cholera; occupation, age, sex, secondary cases, vaccination, case fatality.
authors.forename: J S
authors.initials: JS
authors.lastname: PETERSON
mesh_terms: D001699:Biometry; D002771:Cholera / Q000453:epidemiology* / Q000706:statistics & numerical data*; D016021:Epidemiologic Studies; D009790:Occupations; D014611:Vaccination
keywords: CHOLERA/epidemiology and statistics