Arsenic Pentoxide, Systemic Agent (页面存档备份,存于互联网档案馆). National Institute for Occupational Safety and Health. Emergency Response Safety and Health Database. August 22, 2008. Retrieved December 22, 2008.
Arsenic Pentoxide, Systemic Agent (页面存档备份,存于互联网档案馆). National Institute for Occupational Safety and Health. Emergency Response Safety and Health Database. August 22, 2008. Retrieved December 22, 2008.