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 and National Council on Radiation Protection and Measurements. Scientific Committee 69 on Efficacy of Radiographic Procedures,An introduction to efficacy in diagnostic radiology and nuclear medicine : justification of medical radiation exposure,,National Council on Radiation Protection and Measurements,1995,NCRP commentary,,0929600452,,https://cir.nii.ac.jp/crid/1130000794806344192