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) VAN KAMPEN F.,"Retention and postinsertion maintenance of bar-clip, ball and magnet attachments in mandibular implant overdenture treatment : an in vivo comparison after 3 months of function",Clin. Oral Implants Res.,,,2003,14,,720-726,https://cir.nii.ac.jp/crid/1574231875588029568,