Lübbers Heinz-Theo, Jacobsen Christine, Matthews Felix, Grätz Klaus W, Kruse Astrid, Obwegeser Joachim A
Clinic for Cranio-Maxillofacial Surgery, University Hospital, Zurich, Switzerland.
J Oral Maxillofac Surg. 2011 Jan;69(1):300-8. doi: 10.1016/j.joms.2010.07.016. Epub 2010 Nov 2.