title: [Is it possible to avoid confusion in utilization studies?].
authors.forename: J A
authors.initials: JA
authors.lastname: Bellón Saameño
mesh_terms: D010043:Outcome and Process Assessment, Health Care / Q000706:statistics & numerical data*; D011320:Primary Health Care / Q000592:standards*
vernacular_title: Es posible evitar la confusión en los estudios de utilización?