Otaka Yukihiro, Sakurai Yuichiro, Soma Hiromitsu, Watanabe Toshiki, Goda Fumito, Sato Masamichi
Department of General Internal Medicine, National Hospital Organization Takasaki General Medical Center, Japan.
Nihon Naika Gakkai Zasshi. 2013 Jul 10;102(7):1804-6. doi: 10.2169/naika.102.1804.