Tank W, Wright D, Iizuka T
Department of Craniomaxillofacial, Facial Plastic and Reconstructive Surgery, Otolaryngology, Head and Neck Surgery, University of Bern, Switzerland.
J Oral Maxillofac Surg. 1998 Jun;56(6):765-9. doi: 10.1016/s0278-2391(98)90816-3.