Jae-Young Park, Wan-Su Kim, Woo-Hyuk Yun, Yun-Sang Kim, Hyung-Keun You, Hyung-Shik Shin, Sung-Hee Pi

J Korean Acad Periodontol.2008;38(2):231-236.   Published online 2008 June 30     DOI: http://dx.doi.org/10.5051/jkape.2008.38.2.231