title: Selecting a range of options.
mesh_terms: D000367:Age Factors; D054598:Blue Cross Blue Shield Insurance Plans; D002755:Choice Behavior; D003363:Cost Control; D006077:Government Agencies; D006264:Health Benefit Plans, Employee; D006801:Humans; D007356:Insurance, Pharmaceutical Services; D006278:Medicare; D017146:Models, Organizational; D010358:Patient Participation; D011785:Quality Assurance, Health Care; D014481:United States