Soda, K., Asakura, S., Okamatsu, M., Sakoda, Y., & kida, H. (2011). H9N2 influenza virus acquires intravenous pathogenicity on the introduction of a pair of di-basic amino acid residues at the cleavage site of the hemagglutinin and consecutive passages in chickens. BioMed Central.

Soda, Kosuke, Shingo Asakura, Masatoshi Okamatsu, Yoshihiro Sakoda, và Hiroshi kida. H9N2 Influenza Virus Acquires Intravenous Pathogenicity On the Introduction of a Pair of Di-basic Amino Acid Residues At the Cleavage Site of the Hemagglutinin and Consecutive Passages in Chickens. BioMed Central, 2011.

Soda, Kosuke, et al. H9N2 Influenza Virus Acquires Intravenous Pathogenicity On the Introduction of a Pair of Di-basic Amino Acid Residues At the Cleavage Site of the Hemagglutinin and Consecutive Passages in Chickens. BioMed Central, 2011.