title: Computer briefs: Blue Cross, Blue Shield, Blue Button.
authors.affiliation: National Library of Medicine, Building 38A, Room B1n-30, 8600 Rockville Pike, Bethesda, MD 20894, USA. ackerman@nlm.nih.gov
authors.forename: Michael J
authors.initials: MJ
authors.lastname: Ackerman
mesh_terms: D057286:Electronic Health Records / Q000639:trends*; D055991:Health Records, Personal; D006801:Humans; D006278:Medicare; D033283:Patient Access to Records / Q000639:trends*; D014481:United States; D014493:United States Department of Veterans Affairs