Yeh-Jin Chung, Chang-Sung Kim, Jong-Jin Suh, Kyoo-Sung Cho, Jung-Kiu Chai, Chong-Kwan Kim, Seong-Ho Choi

J Korean Acad Periodontol.2000;30(4):911-922.   Published online 2000 December 31     DOI: http://dx.doi.org/10.5051/jkape.2000.30.4.911