Jung-Yoo Choi, Gyung-Joon Chae, Chang-Sung Kim, Yong-Keun Lee, Kyoo-Sung Cho, Joong-Kyu Chai, Chong-Kwan Kim, Seong-Ho Choi

J Korean Acad Periodontol.2007;37(4):871-879.   Published online 2007 December 31     DOI: http://dx.doi.org/10.5051/jkape.2007.37.4.871