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: P B Cornely; R Belmar; L A Falk; G L Filerman; H Rodrigues-Trias; V W Sidel; G A Silver; M E Wegman Journal: Am J Public Health Date: 1977-01 Impact factor: 9.308