1. Bhalla, A., Mahi, S., Sharma, N., & Singh, S. (2011). Glycopyrrolate in toxic exposure to ammonia gas. Journal of Emergencies, Trauma and Shock, 4(1), 140–141.
2. Moss, M. (2009). Safety of beef processing method is questioned. The New York Times.
3. Leung, C. M., & Foo, C. L. (1992). Mass ammonia inhalation burns—Experience in the management of patients. Annals of the Academy of Medicine, Singapore, 21, 624–629.
4. Smeets, M. A. M., Bulsing, P. J., van Rooden, S., Steinmann, R., de Ru, J. A., Ogink, N. W. M., van Thriel, C., & Dalton, P. H. (2006) Odor and irritation thresholds for ammonia: A comparison between static and dynamic olfactometry odor and irritation thresholds for ammonia. Chemical Senses. Advance Access Published September 26, 2006.
5. De la Hoz, R. E., Schueter, D. P., & Rom, W. N. (1996). Chronic lung disease secondary to ammonia inhalation injury: A report on three cases. American Journal of Industrial Medicine, 29, 209–214.