Tehran University of Medical Sciences Acta Medica Iranica 0044-6025 0 3-4 1975 12 15 155 160 A. DALIL-TOJARI 2015 09 28 Report of 850 cases of foreign bodies in the air and food passages is presented. The incidence of the accident was more in children between the age of 1-6 years than others. No sex difference was noted for the incidence of the accident The presence of leech as a foreign body in this report is of interest General anesthesia is recommended in the case that foreign bodies are present in the air way of children. In these cases bronchoscopy, with oxygenation by insuflation in brochoscope or Ventury 50 or other similar techniques is recommended. https://acta.tums.ac.ir/index.php/acta/article/view/4199 https://acta.tums.ac.ir/index.php/acta/article/download/4199/4174