Heesun Cheong, Kyoung-Hwa Kim, Yoon-Jeong Park, Tae-Il Kim, Yong-Moo Lee, Young Ku, In-Chul Rhyu, Dong-Soo Lee, Seung-Jin Lee, Chong-Pyoung Chung, Soo-Boo Han, Yang-Jo Seol

J Korean Acad Periodontol.2007;37(4):859-869.   Published online 2007 December 31     DOI: http://dx.doi.org/10.5051/jkape.2007.37.4.859