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) KRAMER I. R.,The clinical features and risk of malignant transformation in sublingual keratosis.,Brit dent J,,,1978,144,,171-180,https://cir.nii.ac.jp/crid/1570291224530594048,