Jung-Chul Park, Hyun-Chang Lim, Joo-Yeon Sohn, Jeong-Ho Yun, Ui-Won Jung, Chang-Sung Kim, Kyoo-Sung Cho, Chong-Kwan Kim, Seong-Ho Choi

J Korean Acad Periodontol.2009;39(Suppl):223-230.   Published online 2009 August 31     DOI: http://dx.doi.org/10.5051/jkape.2009.39.S.223