The CDC study found cow's milk-based formula contained more perchlorate than that made with soy or other ingredients.
疾病防治中心的研究显示,以牛奶为原料的配方奶中高氯酸盐的含量要高于用大豆或其他成分制成的配方奶。
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The two brands with the highest levels -- more than double that of the other milk-based products -- command 87 percent of the market share for infant formula.