Drug use benchmarks show surprising geographic variation.
D000328:Adult; D017677:Age Distribution; D019985:Benchmarking; D002648:Child; D003625:Data Collection; D004363:Drug Utilization / Q000706:statistics & numerical data*; D019538:Health Care Surveys; D006801:Humans; D007356:Insurance, Pharmaceutical Services / Q000706:statistics & numerical data; D010818:Practice Patterns, Physicians' / Q000706:statistics & numerical data*; D017678:Sex Distribution; D014481:United States