Two major strains of type 1 wild poliovirus circulating in Indochina.
Yoshida H, Li J, Yoneyama T, Yoshii K, Shimizu H, Nguyen TH, Toda K, Nguyen TL, Phan VT, Miyamura T, Hagiwara A.
Yoshida H, et al. Among authors: li j.
J Infect Dis. 1997 May;175(5):1233-7. doi: 10.1086/593677.
J Infect Dis. 1997.
PMID: 9129093