Ik Hyun Cho, Ui Won Jung, Jeong Heon Cha, Joong Su Kim, Dae Sil Lee, Chong Kwan Kim, Seong Ho Choi

J Korean Acad Periodontol.2005;35(3):597-608.   Published online 2005 September 30     DOI: http://dx.doi.org/10.5051/jkape.2005.35.3.597