title: Historical images of the drug market.
authors.forename: W H
authors.initials: WH
authors.lastname: Helfand
mesh_terms: D001154:Art / Q000266:history*; D004470:Economics, Medical / Q000266:history*; D000077406:History of Pharmacy; D049711:History, Modern 1601-; D008488:Medical Illustration / Q000266:history*