title: Historical images of the drug market--LX. [Continued regularly].
authors.forename: W H
authors.initials: WH
authors.lastname: Helfand
mesh_terms: D000329:Advertising / Q000266:history*; D003132:Commerce / Q000266:history*; D049672:History, 19th Century; D049673:History, 20th Century; D006801:Humans; D008488:Medical Illustration / Q000266:history*; D004366:Nonprescription Drugs / Q000266:history*; D004364:Pharmaceutical Preparations / Q000266:history*; D014481:United States
chemical_list: D004366:Nonprescription Drugs; D004364:Pharmaceutical Preparations