Sung Joon Hwang, Doug Youn Lee, Yong Keun Lee, Chang Sung Kim, Kyoo Sung Cho, Jung Kiu Chai, Chong Kwan Kim, Seong Ho Choi

J Korean Acad Periodontol.2003;33(4):615-624.   Published online 2003 December 31     DOI: http://dx.doi.org/10.5051/jkape.2003.33.4.615