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)
RAMFJORD SP,Indices for the prevalence and incidence of periodontal disease,J Periodontol,,,1959,30,,51-59,https://cir.nii.ac.jp/crid/1571698599899483392,