著者名,論文名,雑誌名,ISSN,出版者名,出版日付,巻,号,ページ,URL,URL(DOI) HUJOEL PP,Periodontitis-systemic disease associations in the presence of smoking : causal or coincidental?,J Periodontol 2000,,,2002,30,,51-60,https://cir.nii.ac.jp/crid/1574231875136745856,