Parmar J D, Hunjan P S, Brown A N, Telfer M R
Oral and Maxillofacial Surgery Unit, York Teaching Hospital NHS Foundation Trust, The York Hospital, Wigginton Road, York YO31 8HE, United Kingdom.
Br J Oral Maxillofac Surg. 2013 Apr;51(3):e40-1. doi: 10.1016/j.bjoms.2012.01.020. Epub 2012 Jun 5.