O'Dwyer E M, Askar W, Blackburn T K, Richardson D
Department of Oral and Maxillofacial Surgery, Regional Maxillofacial Unit, University Hospital Aintree, Longmoor Lane, Liverpool L9 7AL, UK.
Br J Oral Maxillofac Surg. 2006 Dec;44(6):550-1. doi: 10.1016/j.bjoms.2005.05.022. Epub 2005 Oct 3.