共 2 条
[1]
Reappearance and global of variants of influenza B/Victoria/2/87Lineage viruses in the2000-2001and2001-2002seasons. Shaw MW,Xu X,Li Y,et al. Journal of Virology . 2002
[2]
The epidemiology and clinical i mpact of pandemicinfluenza. Jonathan S,Nguyen-Van T,Hampson AW. Vaccine . 2003