Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) CHIRSTERSSON L. A.,"Tissue localization of Actinobacillus actinomycetemcomitans in human periodontitis. I Light, immunofluorescence and electron microscope studies",J. Periodontol.,,,1987,58,,529-539,https://cir.nii.ac.jp/crid/1571135649636005248,