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 "Whitcher, Charles E. and Zimmerman, Donald C. and Piziali, Robert L. and National Institute for Occupational Safety and Health. Division of Surveillance, Hazard Evaluations, and Field Studies",Control of occupational exposure to N20 in the dental operatory,,"U.S. Dept. of Health, Education, and Welfare, Public Health Service, Center for Disease Control, National Institute for Occupational Safety and Health, Division of Surveillance, Hazard Evaluation and Field Studies,For sale by the Superintendent of Documents, U.S. Govt. Print. Off.",1977,DHEW publication,,,,https://cir.nii.ac.jp/crid/1130000796421431808