Authors: R van den Oever; D de Graeve; B Hepp; A Stroobant; D Walckiers; V Van Casteren; F Van Loock; G Ducoffre; J Dewatripont; P Jacques Journal: Pharmacoeconomics Date: 1993-04 Impact factor: 4.981
Authors: G Grilli; L Fuiano; L R Biasio; F Pregliasco; A Plebani; M Leibovitz; A G Ugazio; F Vacca; M L Profeta Journal: Eur J Epidemiol Date: 1997-04 Impact factor: 8.082