title: Access to JAMA.
authors.forename: Catherine D
authors.initials: CD
authors.lastname: DeAngelis
authors.forename: Robert A
authors.initials: RA
authors.lastname: Musacchio
mesh_terms: D033181:Information Dissemination; D020407:Internet; D009862:Online Systems; D010506:Periodicals as Topic / Q000191:economics; D011643:Publishing / Q000191:economics