DAVID M. MARTIN, MD / SCIENCE PHOTO LIBRARY DAVID M. MARTIN, MD / SCIENCE PHOTO LIBRARY
Swallowed safety pins. Endoscope view of swallowed safety pins in the stomach of a 25-year-old man. Foreign bodies in the stomach may cause nausea, vomiting and pain. An endoscope equipped with a claw or hook can be used to remove such foreign bodies.
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