Summaries for patients. Does quantity mean quality in medical procedures?
D003695:Delivery of Health Care / Q000592:standards*; D006761:Hospitals / Q000706:statistics & numerical data*; D006801:Humans; D017063:Outcome Assessment, Health Care; D010820:Physicians / Q000706:statistics & numerical data*; D012107:Research Design; D013514:Surgical Procedures, Operative / Q000706:statistics & numerical data; D014481:United States