title: Discussion.
mesh_terms: D000556:Ambulatory Surgical Procedures / Q000191:economics*; D017081:Cholecystectomy, Laparoscopic / Q000191:economics*; D017721:Hospital Costs / Q000706:statistics & numerical data*; D061847:Hospitals, High-Volume; D006801:Humans; D008484:Medicaid / Q000191:economics*