title: Assessing quality and utilization patterns in health care delivery systems.
authors.forename: P
authors.initials: P
authors.lastname: Lee
mesh_terms: 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