title: [Epidemiological studies on the health state of the population].
authors.forename: D
authors.initials: D
authors.lastname: Eis
authors.forename: H
authors.initials: H
authors.lastname: Knopf
mesh_terms: D004812:Epidemiologic Methods; D016021:Epidemiologic Studies; D019317:Evidence-Based Medicine / Q000379:methods*; D005858:Germany / Q000453:epidemiology; D006304:Health Status; D006306:Health Surveys