title: [About longitudinal studies in epidemiology].
authors.forename: Cristina
authors.initials: C
authors.lastname: Pérez Andrés
authors.forename: José María
authors.initials: JM
authors.lastname: Martín Moreno
mesh_terms: D035843:Biomedical Research / Q000592:standards*; D016021:Epidemiologic Studies; D006801:Humans; D008137:Longitudinal Studies