Tanaka Daisuke, Kimata Keiko, Shimizu Miwako, Isobe Junko, Watahiki Masanori, Karasawa Tadahiro, Yamagishi Takayoshi, Kuramoto Sanae, Serikawa Toshihiko, Ishiguro Fubito, Yamada Makiko, Yamaoka Kazukiyo, Tokoro Mitsuo, Fukao Toshio, Matsumoto Masakado, Hiramatsu Reiji, Monma Chie, Nagai Yoshiyuki
Toyama Institute of Health, Toyama 939-0363, Japan.
Jpn J Infect Dis. 2007 Feb;60(1):68-9.