%A Xiaoxue Zhang %T Return and reformation after a century — from 1918 to 2009 H1N1 %0 Journal Article %D 2010 %J Protein Cell %J Protein & Cell %@ 1674-800X %R 10.1007/s13238-010-0051-9 %P 425-426 %V 1 %N 5 %U {https://journal.hep.com.cn/pac/EN/10.1007/s13238-010-0051-9 %8 2010-05-01 %X