Ji-Youn Hong, Sang-Nyun Kim, Won-Ho Ha, Sug-Youn Chang, In-Kwon Jang, Ji-Eun Park, Sung-Won Jung, Yoo-Jung Um, Chong-Kwan Kim

J Korean Acad Periodontol.2005;35(4):1053-1071.   Published online 2005 December 31     DOI: http://dx.doi.org/10.5051/jkape.2005.35.4.1053