The use of the magnet in the tracheobronchial tree, the esophagus, stomach and duodenum.
D004064:Digestive System; D004386:Duodenum; D004947:Esophagus; D005547:Foreign Bodies; D006801:Humans; D059346:Magnets; D012137:Respiratory System; D013270:Stomach
FOREIGN BODIES/in air and food passages