==References====External links==*NIOSH Pocket Guide to Chemical Hazards*IARC Monograph – Arsenic and Arsenic Compounds*NTP Report on Carcinogens – Inorganic Arsenic Compounds*ESIS: European chemical Substances Information System
* International Chemical Safety Card 0377* NIOSH Pocket Guide to Chemical Hazards* IARC Monograph — Arsenic and Arsenic Compounds* NTP Report on Carcinogens — Inorganic Arsenic Compounds