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 Canada. Department of National Health and Welfare and Canada. Environmental Health Directorate and Canada. Health Protection Branch,Radiation protection in dentistry : recommended safety procedures for the use of dental X-ray equipment,,"Environmental Health Directorate, Health Protection Branch,NITS",1994,Safety code,,066015420X,,https://cir.nii.ac.jp/crid/1130000797409631872