著者名,書名,版表示,出版者名,出版年,シリーズ名,番号,ISBN,ISSN,URL National Council on Radiation Protection and Measurements,Dental X-ray protection,4th reprinting,National Council on Radiation Protection and Measurements,1988,NCRP report,,,,https://cir.nii.ac.jp/crid/1130282272596735360