Kyoo-Sung Cho, Jung-Hoon Lee, Hyun-Young Kim, Jong-Gin Suh, Seong-Ho Choi, Jung-Kiu Chai, Chong-Kwan Kim

J Korean Acad Periodontol.2000;30(1):1-9.   Published online 2000 March 31     DOI: http://dx.doi.org/10.5051/jkape.2000.30.1.1