Tanaka E, Koolstra J H
Department of Orthodontics and Dentofacial Orthopedics, The University of Tokushima Graduate School of Oral Sciences, 3-18-15 Kuramoto-cho, Tokushima 770-8504, Japan.
J Dent Res. 2008 Nov;87(11):989-91. doi: 10.1177/154405910808701101.