title: [Epidemiology and medical statistics: elements of methodology (I)].
authors.forename: A
authors.initials: A
authors.lastname: Ben Hamida
mesh_terms: D004812:Epidemiologic Methods; D004813:Epidemiology; D006801:Humans; D012107:Research Design; D013223:Statistics as Topic
vernacular_title: Epidémiologie et statistique médicale: eléments de méthodologie (I).