by Sugimura, Masahito, Kirita, Tadaaki, Ohgi, Kazuhiko, Imai, Yuuichirou, Shimooka, Hisashi, Yamanaka, Yasutsugu, Yamamoto, Kazuhiko
Published in Journal of Japanese Society of Oral Oncology (1999)

by KOGA, Keijiro, KAWASHIRO, Nobuko, ARAKI, Akio
Published in Japanese Journal of National Medical Services (1984)

by Ohta, Y., Tomari, Y., Kitagawa, M.
Published in Nippon Daicho Komonbyo Gakkai Zasshi (1981)