Seong-Ho Choi, Suk-Ju Hyun, Hyun-Seo Koo, Jong-Jin Suh, Kyoo-Sung Cho, Jung-Kiu Chai, Chong-Kwan Kim

J Korean Acad Periodontol.1998;28(2):193-203.   Published online 1998 June 30     DOI: http://dx.doi.org/10.5051/jkape.1998.28.2.193