title: Historical images of the drug market- LII
authors.forename: W H
authors.initials: WH
authors.lastname: Helfand
mesh_terms: D000329:Advertising / Q000266:history*; D004345:Drug Industry / Q000266:history*; D017850:Economics, Pharmaceutical / Q000266:history*; D049672:History, 19th Century; D049673:History, 20th Century; D014481:United States