title: The "fourth part" of Pediatrics: 50 years of display advertising.
authors.affiliation: Department of Pediatrics, University of Chicago, Chicago, IL 60637, USA.
authors.forename: L M
authors.initials: LM
authors.lastname: Gartner
mesh_terms: D000329:Advertising / Q000266:history*; D049673:History, 20th Century; D010372:Pediatrics / Q000266:history*; D010506:Periodicals as Topic / Q000266:history*; D014481:United States