5A, Bhalla,S, Mahi,N, Sharma,S, Singh. Glycopyrrolate in toxic exposure to ammonia gas.[J]. Journal of emergencies, trauma, and shock,2011,4:(1).
6Anthony E, Iyoho,James H, Stuhmiller, Laurel J, Ng. Assessing the application of acute toxic gas standards.[J]. Inhalation toxicology, 2011,23:(12).
7C R, Pribyl,J, Racca . Toxic gas exposures in iee arenas [J]. Clinical journal of sport medicine : official journal of the Canadian Academy of Sport Medicine,1996,6:(4).
