title: Introduction of methods in epidemiologic studies with reference of cataract.
authors.affiliation: Department of Statistical Sciences, University of Padua, Italy.
authors.forename: F
authors.initials: F
authors.lastname: Grigoletto
authors.forename: M
authors.initials: M
authors.lastname: Zucchetto
authors.forename: M
authors.initials: M
authors.lastname: De Carli
mesh_terms: D016022:Case-Control Studies; D002386:Cataract / Q000453:epidemiology* / Q000209:etiology; D015331:Cohort Studies; D003430:Cross-Sectional Studies; D004812:Epidemiologic Methods; D006801:Humans; D012307:Risk Factors