title: Thallium: occurrence in the environment and toxicity to fish.
mesh_terms: D000818:Animals; D003300:Copper / Q000032:analysis; D056890:Eukaryota / Q000032:analysis; D005618:Fresh Water / Q000032:analysis; D007220:Industrial Waste; D008906:Mining; D009509:New Brunswick; D010944:Plants / Q000032:analysis; D012474:Salmon; D013793:Thallium / Q000032:analysis / Q000633:toxicity; D015032:Zinc / Q000032:analysis
chemical_list: D007220:Industrial Waste; D003300:Copper; D013793:Thallium; D015032:Zinc