title: [Introduction. Epidemiology].
authors.affiliation: Académie nationale de médecine, Paris.
authors.forename: G
authors.initials: G
authors.lastname: Blancher
authors.forename: A
authors.initials: A
authors.lastname: Uzan
mesh_terms: D000367:Age Factors; D005602:France / Q000453:epidemiology; D006801:Humans; D009765:Obesity / Q000453:epidemiology* / Q000628:therapy; D012737:Sex Factors