title: CDA applauds new international treaty on mercury.
mesh_terms: D002170:Canada; D003723:Dental Amalgam / Q000737:chemistry*; D006801:Humans; D007391:International Cooperation; D008628:Mercury / Q000633:toxicity*; D012953:Societies, Dental
chemical_list: D003723:Dental Amalgam; D008628:Mercury