title: [Epidemiological analysis: its goal, tasks and data].
authors.forename: E P
authors.initials: EP
authors.lastname: Klimenko
authors.forename: G P
authors.initials: GP
authors.lastname: Stepanov
mesh_terms: D003141:Communicable Diseases / Q000453:epidemiology; D004812:Epidemiologic Methods; D006801:Humans; D014586:USSR
vernacular_title: Epidemiologicheskiĭ analiz: tsel', zadachi i materialy.