title: [Formal methods for epidemiological classification of regions].
authors.forename: G K
authors.initials: GK
authors.lastname: Ranchov
mesh_terms: D004813:Epidemiology; D005843:Geography; D006801:Humans; D009017:Morbidity
vernacular_title: Formal'nye metody épidemiologicheskoĭ klassifikatsii raĭonov.