title: Biologic agents in rheumatoid arthritis: temporal trend of incremental benefits.
authors.affiliation: HTA Unit, Area Vasta Centro Toscana, Regional Health System, Via Guimaraes 9-11, 59100 Prato, Italy.
authors.forename: Andrea
authors.initials: A
authors.lastname: Messori
authors.forename: Dario
authors.initials: D
authors.lastname: Maratea
authors.forename: Valeria
authors.initials: V
authors.lastname: Fadda
authors.forename: Sabrina
authors.initials: S
authors.lastname: Trippoli