1. http://www.atsdr.cdc.gov/tfacts23.html
2. http://www.health.gov.sk.ca/water-guidelines-water-quality
3. http://www.inchem.org/documents/iarc/vol47/47-11.html
4. Antimony in Medical History;McCallum,1999
5. http://www.atsdr.cdc.gov/toxprofiles/tp23.html