title: Study finds large cost variation for laparoscopic gastric bypass.
mesh_terms: D019985:Benchmarking; D015390:Gastric Bypass / Q000191:economics* / Q000295:instrumentation; D017721:Hospital Costs; D006801:Humans; D010535:Laparoscopy / Q000191:economics* / Q000706:statistics & numerical data; D009767:Obesity, Morbid / Q000191:economics / Q000601:surgery*; D014481:United States