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Fig 2 (A) Horizontal gastroplasty; (B) vertical banded gastroplasty; (C) Roux-en-Y gastric bypass; (D) transected Roux-en-Y gastric bypass; (E) laparoscopic adjustable gastric band; (F) biliopancreatic diversion; (G) biliopancreatic diversion with duodenal switch; (H) vertical sleeve gastrectomy
