Assessing quality and utilization patterns in health care delivery systems.
Lee
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D003695:Delivery of Health Care / Q000592:standards*; D006296:Health Services / Q000706:statistics & numerical data*; D006801:Humans; D009885:Ophthalmology / Q000592:standards; D011785:Quality Assurance, Health Care / Q000592:standards*; D014481:United States