title: Phase IV research and drug utilization observation studies.
authors.forename: M
authors.initials: M
authors.lastname: Linden
mesh_terms: D017327:Clinical Trials, Phase IV as Topic; D004363:Drug Utilization; D006801:Humans; D011619:Psychotropic Drugs / Q000627:therapeutic use*; D012107:Research Design
chemical_list: D011619:Psychotropic Drugs