2Flood TR.Rhinolith:an unusual cause of palatal perforation.Br J Oral Maxillofac Surg,1988,26:486-490.
3Conrad GJ.Rhinolith perforating the hard palate.J Laryngol Otol,1968,82:1155-1156.
4Wickham MH,Barton RP.Nasal regurgitation as the presenting symptom of rhinolithiasis.J Laryngol Otol,1988,102:59-61.
5HADI U,GHOSSAINI S,ZAYTOUN G. Rhinolithi- asis: a forgotten entity[J]. Otolaryngol Head Neck Surg, 2002,126 :48-51.
6SUMBULLU M A,TOZOGLU U,YORUK O, et al. Rhinolithiasis: the importance of flat panel detector- based cone beam computed tomography in diagnosis and treatment[J]. Oral Surg Oral Med Oral Pathol O- ral Radical Endod, 2009,107 :e65-e67.
7VINK B W, VAN HASSELT P, WORMALD R. A casc of rhinolithiasis in botswana: a mineralogical, microscopic and chemical study[J]. J Laryngol Otol, 2002,116:1036-1040.
8ORHAN K, KOCYIGIT D, KISNISCI R, et al. Rhino- lithiasis: an uncommon entity of the nasal cavity[J]. Oral Surg Oral Med Oral Pathol Oral Radiol, Endod,2006, 101:e28-e32.
9YUCA K,CAKSEN H,ETL1K O,et al. The impor- tance of rigid nasal endoscopy in the diagnosis and treatment of rhinolithiasis[J]. Auris Nasus Larynx, 2006,33:19-22.
10PINTO L S,CAMPAGNOLI E B,DE SOUZA AZE- VEDO R,et al. Rhinoliths causing palatal perforation: case report and literature review[J]. Oral Surg Oral Med Oral Pathol Oral Radiol Endod, 2007, 104: e42-46.
