Multiple foreign bodies in the upper gastrointestinal tract; report of 3 unusual cases.
D001630:Bezoars; D004064:Digestive System; D005402:Fistula; D005547:Foreign Bodies; D005767:Gastrointestinal Diseases; D006801:Humans; D041742:Upper Gastrointestinal Tract
BEZOARS; FISTULA; FOREIGN BODIES