Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) FARLEY MM,Pathogenesis of IgA1 protease-producing and -nonproducing Haemophilus influenzae in human nasopharyngeal organ culture,I Infect Dis,,,1986,154,,752-759,https://cir.nii.ac.jp/crid/1572261550267133056,