Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) Sasaki Keita,Reinforcement of Endodontically Treated Teeth with Flared Root Canals Using Composite Resin Cores with Fiber Posts and a Sleeve,Annals of Japan Prosthodontic Society,1883-4426,Japan Prosthodontic Society,2010,2,3,157-166,https://cir.nii.ac.jp/crid/1390001205300313728,https://doi.org/10.2186/ajps.2.157