title: Source and occurrence of environmental contaminants.
mesh_terms: D000397:Air Pollution; D000818:Animals; D020261:Arsenic Poisoning; D001713:Biphenyl Compounds; D002105:Cadmium Poisoning; D004147:Dioxins; D004777:Environment; D004787:Environmental Pollution; D005399:Fishes; D005506:Food Contamination; D006801:Humans; D007220:Industrial Waste; D007855:Lead Poisoning; D008630:Mercury Poisoning; D008991:Monitoring, Physiologic; D010575:Pesticides / Q000506:poisoning; D014876:Water Pollution
chemical_list: D001713:Biphenyl Compounds; D004147:Dioxins; D007220:Industrial Waste; D010575:Pesticides