title: [Use of perfocards with marginal perforation for analyzing epidemic outbreaks of intestinal infections].
mesh_terms: D004761:Enterocolitis, Pseudomembranous / Q000175:diagnosis / Q000453:epidemiology; D004812:Epidemiologic Methods; D006801:Humans; D007239:Infections; D007410:Intestinal Diseases / Q000175:diagnosis / Q000453:epidemiology*; D011676:Punched-Card Systems
vernacular_title: Primenenie perfokarty s kraevoĭ perforatsieĭ dlia analiza épidemicheskikh vspyshek kishechnykh infektsiĭ.