著者名,タイトル,雑誌名,ISSN,出版者名,出版日付,巻,号,ページ,URL,URL(DOI) Eckert,Analysis of incidence and associated factors with fractured implants: a retrospective study,Int J Oral Maxillofac Implants,,,2000,15,,662,https://cir.nii.ac.jp/crid/1370285707293140103,