title: The role of operational testing in forecasting health services trends.
mesh_terms: D003695:Delivery of Health Care; D004467:Economics; D005069:Evaluation Studies as Topic; D006285:Health Planning; D006296:Health Services / Q000592:standards*; D009934:Organization and Administration; D011336:Probability; D012922:Social Change; D013997:Time Factors; D014481:United States