title: [Epidemiology in the health services].
authors.affiliation: Ist. di Igiene G. Sanarelli, Università degli Studi di Roma La Sapienza.
authors.forename: A
authors.initials: A
authors.lastname: Muzzi
mesh_terms: D004812:Epidemiologic Methods; D004813:Epidemiology; D006302:Health Services Research / Q000379:methods; D006801:Humans; D007558:Italy; D012107:Research Design