Hasegawa Masaru, Nasuhara Yasuyuki, Maki Norihiro, Miura Takumi, Betsuyaku Tomoko, Hizawa Nobuyuki, Nishimura Masaharu, Onozuka Hisao, Tsutsui Hiroyuki
First Department of Medicine, Hokkaido University of Medicine, Sapporo.
Nihon Naika Gakkai Zasshi. 2006 Jul 10;95(7):1362-4. doi: 10.2169/naika.95.1362.