title: Foreign bodies in the air and food-passages in children (report of four cases).
mesh_terms: D001980:Bronchi; D002648:Child; D002675:Child, Preschool; D004947:Esophagus; D005547:Foreign Bodies / Q000175:diagnosis / Q000000981:diagnostic imaging / Q000209:etiology; D006801:Humans; D007223:Infant; D007830:Larynx; D011859:Radiography; D014132:Trachea