Influenza viruses expressing chimeric hemagglutinins: globular head and stalk domains derived from different subtypes.
Hai R, Krammer F, Tan GS, Pica N, Eggink D, Maamary J, Margine I, Albrecht RA, Palese P. Influenza viruses expressing chimeric hemagglutinins: globular head and stalk domains derived from different subtypes. J Virol. 2012 May; 86(10):5774-81.