Health-services information systems in the United States today.
D000553:Ambulatory Care; D000574:American Medical Association; D006077:Government Agencies; D006296:Health Services; D006760:Hospitalization; D006761:Hospitals; D007255:Information Services; D008485:Medical Audit; D008499:Medical Records; D010548:Personal Health Services; D011366:Professional Review Organizations; D012041:Regional Medical Programs; D012955:Societies, Medical; D013223:Statistics as Topic; D014481:United States; D014490:United States Office of Economic Opportunity; D014482:United States Substance Abuse and Mental Health Services Administration; D014798:Vital Statistics