"(medicine) the process of removing a heavy metal from the bloodstream by means of a chelate as in treating lead or mercury poisoning"@en-us . . . . . . . . "0"^^ . "112685461"@en-us . . . "chelation"^^ . "13445972-n"^^ . "109681915"@en-us . . . . "0"^^ . . . . "chelation"@en-us . . . "113445972"^^ . . . .