title: From clinical trials to drug utilization studies.
authors.affiliation: Mario Negri Institute of Pharmacological Research, Milan, Italy.
authors.forename: G
authors.initials: G
authors.lastname: Tognoni
authors.forename: J R
authors.initials: JR
authors.lastname: Laporte
mesh_terms: D004345:Drug Industry; D011307:Drug Prescriptions / Q000706:statistics & numerical data*; D004363:Drug Utilization / Q000706:statistics & numerical data*; D006801:Humans; D008389:Marketing of Health Services; D016032:Randomized Controlled Trials as Topic / Q000379:methods*; D012107:Research Design; D016896:Treatment Outcome