title: Drug promotion and scientific exchange. The role of the clinical investigator.
authors.affiliation: Food and Drug Administration, Rockville, MD 20857.
authors.forename: D A
authors.initials: DA
authors.lastname: Kessler
mesh_terms: D000329:Advertising; D003132:Commerce; D003226:Congresses as Topic; D004335:Drug and Narcotic Control; D007255:Information Services; D004364:Pharmaceutical Preparations; D010819:Physician's Role; D012108:Research Personnel; D014481:United States; D014486:United States Food and Drug Administration
chemical_list: D004364:Pharmaceutical Preparations