creator	Shirakawa, Masaharu; Hirakawa, Masahiko; Azuma, Takaaki; Koi, Mamoru; Shimizu, Yasushi; Takayama, Tomoyuki; Kawamura, Keiichiroh; Hossain, M. R.; Ogawa, Tetsuji; Okamoto, Hiroshi;
journal title	The Journal of Hiroshima University Dental Society
volume	Volume 25
issue	Issue 2
date of issued	1993-12-01