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) Cleidiel Aparecido Araujo Lemos and Fellippo Ramos Verri and Estevam Augusto Bonfante and Joel Ferreira Santiago Júnior and Eduardo Piza Pellizzer,Comparison of external and internal implant-abutment connections for implant supported prostheses. A systematic review and meta-analysis,Journal of Dentistry,0300-5712,Elsevier BV,2018-03,70,,14-22,https://cir.nii.ac.jp/crid/1361699994173137536,https://doi.org/10.1016/j.jdent.2017.12.001