Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) Harukyuki Kawahara and Masaya Hirabayashi and Takuji Shikita,Single crystal alumina for dental implants and bone screws,Journal of Biomedical Materials Research,0021-9304,Wiley,1980-09,14,5,597-605,https://cir.nii.ac.jp/crid/1361699993752661504,https://doi.org/10.1002/jbm.820140506