@book{ BA24900892, author = "McGlothlin, James D. and Crouch, Keith G. and Mickelsen, R. Leroy and National Institute for Occupational Safety and Health. Engineering Control Technology Branch", title = "Control of nitrous oxide in dental operatories", publisher = "NTIS", year = "1994", series = "DHHS publication", number = "no. (NIOSH) 94-129", URL = "https://ci.nii.ac.jp/ncid/BA24900892" }