title: Comparison of the four major USA cardiology journals in 1990: a look at 51 kilograms (112 pounds) of journals and over 15,000 editorial pages.
authors.forename: W C
authors.initials: WC
authors.lastname: Roberts
mesh_terms: D015706:Bibliometrics; D002309:Cardiology; D010506:Periodicals as Topic / Q000706:statistics & numerical data*; D014481:United States