Operative Gastrointestinal Surgery Reoperative Gastrointestinal Surgery Robotic gastrointestinal surgery 书名原文: Reoperative Gastrointestinal Surgery. Complications of gastrointestinal surgery Laparoscopic gastrointestinal surgery 并列题名：Robotic gastrointestinal surgery Gastrointestinal surgery Chinese journal of gastrointestinal surgery Laser in gastrointestinal tumors