By the numbers. Information technology.
D002017:Budgets / Q000706:statistics & numerical data; D004059:Diffusion of Innovation; D019538:Health Care Surveys; D007256:Information Systems / Q000191:economics / Q000706:statistics & numerical data*; D020407:Internet / Q000706:statistics & numerical data; D016347:Medical Records Systems, Computerized / Q000706:statistics & numerical data; D018511:Systems Integration; D014481:United States