Poisonous substance produced by a biological organism such as a microbe, animal or plant.

The term "toxin" was found in the following pages:

Researchers Find Alga that Influence Arsenic Cycling in Hot Springs | EVISA's News
Methylmercury: What have we learned from Minamata Bay? | EVISA's News
New California study concludes that thimerosal seems not to be the major cause for autism | EVISA's News
Scientists discover new broad-spectrum antibiotic based on arsenic | EVISA's News
Journals database: Environmental Toxicology
Dietary mercury exposure: Mercury isotopes can tell the source | EVISA's News
New Human Hair Reference Material Supporting the Biomonitoring of Methylmercury | EVISA's News
Mercury levels in Pacific yellowfin tuna increasing | EVISA's News
Link database: Mercury in Medicine Taking Unnecessary Risks
ORNL scientists solve mystery about mercury methylation | EVISA's News
The European Commission has put on hold plans to increase maximum authorised mercury level in fish | EVISA's News
Toxic antimony species found in beverages stored in PET containers | EVISA's News
Journals database: Environmental Toxicology and Water Quality
Journals database: Journal of Food Safety
OSHA Agrees to Monitor Worker Exposure to Hexavalent Chromium-Containing Cement | EVISA's News
Lead pollution by gasoline - a persisting problem | EVISA's News
More nutritious food helps reduce methylmercury in the aquatic food chain | EVISA's News
Link database:
New Agilent HPLC column for routine determination of arsenic species in human urine by HPLC-ICP-MS | EVISA's News
Toxic effects of mercury persists for generations | EVISA's News