Unsuspected foreign bodies in the young child's esophagus presenting with respiratory symptoms.
D002675:Child, Preschool; D004935:Esophageal Diseases / Q000175:diagnosis*; D004945:Esophagoscopy; D005547:Foreign Bodies / Q000175:diagnosis*; D006801:Humans; D007223:Infant; D013902:Radiography, Thoracic