Sano Takako, Saito Takayuki, Kondo Makiko, Watanabe Sumi, Onoue Yoichi, Konnai Minori, Sato Yoshihiro, Orihara Naomi
Department of Biology, Kanagawa Prefectural Institute of Public Health, Kanagawa 253-0087, Japan.
Jpn J Infect Dis. 2008 Mar;61(2):162-3.