title: [Phase IV of epidemiological studies: conceptual and methodological criticisms].
authors.forename: A
authors.initials: A
authors.lastname: Segura
authors.forename: J R
authors.initials: JR
authors.lastname: Villalbí
mesh_terms: D000328:Adult; D004812:Epidemiologic Methods; D005260:Female; D006801:Humans; D015994:Incidence; D008875:Middle Aged; D009026:Mortality / Q000639:trends; D013030:Spain / Q000453:epidemiology; D002583:Uterine Cervical Neoplasms / Q000401:mortality*
vernacular_title: La fase IV de los estudios epidemiológicos: críticas conceptuales y metodológicas.