Zwetchkenbaum Samuel R, Oh Won-suk
Department of Oral and Maxillofacial Surgery/Hospital Dentistry, University of Michigan School of Dentistry, 1011 N University Ave., Ann Arbor, MI 48109-1078, USA.
J Prosthet Dent. 2011 Mar;105(3):208-10. doi: 10.1016/S0022-3913(11)60033-4.