Takahashi Sho, Takahashi Minoru, Takada Kohichi, Kawano Yutaka, Hagiwara Seiya, Akiyama Takehide, Sato Tsutomu, Doi Tadashi, Miyanishi Koji, Sato Yasushi, Kato Junji, Niitsu Yoshiro, Homma Hisato, Neda Hiroshi
Fourth Department of Internal Medicine, Sapporo Medical University School of Medicine.
Nihon Shokakibyo Gakkai Zasshi. 2002 Sep;99(9):1085-91.