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) HERMANN J. S.,Crestal bone changes around titanium implants. A histometric evaluation of unloaded non-submerged and submerged implants in the canine mandible,J. Periodontol.,,,1997,68,,1117-1130,https://cir.nii.ac.jp/crid/1570572700909873792,