title: Gastrointestinal surgery for severe obesity. NIH consensus development conference, March 25-7,1991.
mesh_terms: D013505:Digestive System Surgical Procedures; D015390:Gastric Bypass; D015391:Gastroplasty; D006801:Humans; D009767:Obesity, Morbid / Q000601:surgery* / Q000628:therapy; D012307:Risk Factors