1. The use of a Foley catheter for removal of blunt foreign objects from the esophagus;Bigler;J Thorac Cardiovasc Surg,1966
2. Removal of foreign bodies from the nose;McMaster;JAMA,1970
3. Removal of foreign bodies from the esophagus and nose with the use of a Foley catheter;Henry;Surgery,1972
4. Nontraumatic removal of foreign bodies from the nose and ears of infants and children;Virnig;Minnesota Medicine,1972
5. Foreign bodies in the nose and pharynx;Gillis,1978