Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) Yutaka Sunaga and Noriko Kishida and Mariko Eto and Hiroshi Kida,Enhancement of pathogenicity of H9N2 influenza A viruses isolated from chicken in China by co-infection with Staphylococcus aureus and Haemophilus paragallinarum,International Congress Series,0531-5131,Elsevier BV,2004-06-01,1263,,481-485,https://cir.nii.ac.jp/crid/1871991017940694528,https://doi.org/10.1016/j.ics.2004.01.033