endoscopic removal of foreign body造句

• In our experience , endoscopic removal of foreign bodies under general anesthesia is an effective and safe method in children ; the method also prevents erosion and perforation of the gastrointestinal tract
  由我们的经验得知，经由全身麻醉施行内视镜取出食道异物或胃部尖锐物、电池，对无法合作的儿童而言是个有效又安全的方法，可以避免异物造成的肠胃道损伤及破裂。