creator	Asahi, Yasuyuki; Hayashido, Yasutaka; Osaki, Teruhiko; Koizumi, Kohichi; Sakamoto, Akihiko; Toratani, Shigeaki; Ogawa, Ikuko; Okamoto, Tetsuji;
journal title	The Journal of Hiroshima University Dental Society
volume	Volume 31
issue	Issue 2
date of issued	1999-12-01