1. Self-administered nitrous oxide: An adjunct analgesic;Flomenbaum;JACEP,1979
2. Criteria for Recommended Standard, Occupational Exposure to Waste Anesthetic Gases and Vapors,1977
3. Control of Occupational Exposure to Nitrous Oxide in the Dental Operatory;Whitcher,1977
4. Measuring nitrous oxide levels in the dental operatory;Vean;J Dent Child,1979
5. Nitrous oxide — Does it need a disposal system;Carrel;General Dentistry,1979