Nomura Y, Senpuku H, Tsuge S, Hayashi M, Sasaki A, Tamura H, Ida H, Yoshikawa E, Nishikawara F, Kawamura S, Kokubo K, Hanada N
Department of Oral Science, National Insitute of Infectious Diseases, Tokyo 162-8640, Japan.
Jpn J Infect Dis. 2001 Oct;54(5):199-200.