螯合疗法对于持续暴露在铅环境的儿童不产生治疗效果，而可能加重中毒现象。

Chelation therapy in children who continue to be exposed to lead is ineffective and may exacerbate toxicity.

youdao

螯合疗法对于持续暴露在铅环境的儿童不产生治疗效果，而可能加重中毒现象。

Chelation therapy in children who continue to be exposed to lead is ineffective and may exacerbate toxicity.

youdao