By the numbers. Information systems.
D000555:Ambulatory Care Information Systems / Q000706:statistics & numerical data; D002017:Budgets; D004059:Diffusion of Innovation; D019538:Health Care Surveys; D006752:Hospital Planning; D006801:Humans; D007256:Information Systems / Q000706:statistics & numerical data* / Q000639:trends; D050316:Medical Order Entry Systems / Q000706:statistics & numerical data; D014481:United States