共 2 条
[1]
Direct sequencing of the HA gene of influenza (H3N2) virus in original clinical samples reveaJs sequence identity with mammalian cell-grown virus. Katz MJ,Wang M and Webster CR. Journal of Virology . 1990
[2]
Antigenic drift between the Haemagglutinin of the Hong Kong influenza strains A/Aichi/2/68 and A/Victoria/3/75. Verhueyen M,Fang R,Jnu WM,et al. Nature . 1980