Jpn. J. Infect. Dis., 65 (1), 88-91, 2012
To see a printable version of the article in the Adobe file format, click this [PDF] link.
Hiroshi Yoshikura*
National Institute of Infectious Diseases, Tokyo 162-8640, Japan
Communicated by Ichiro Kurane
(Accepted November 4, 2011)
*Corresponding author: Mailing address: Department of Food Safety, Ministry of Health, Labour and Welfare, 1-2-2 Kasumigaseki, Chiyoda-ku, Tokyo 100-8916, Japan. E-mail: このメールアドレスはスパムボットから保護されています。閲覧するにはJavaScriptを有効にする必要があります。