by 정재형(Jae-Hyung Chung), 박형식(Hyung-Sik Park), 황충주(Chung-Ju Hwang)
Published in Journal of the Korean Association of Oral and Maxillofacial Surgeons (28.02.2003)

by Cho, Sun-Mi, Hwang, Chung-Ju
Published in Korean journal of orthodontics (01.04.2009)