最近美国肾脏病学会杂志上发表的临床研究表明，含钙丰富的食物-如低脂牛奶和酸奶-可以起保护作用。
The most recent study published in Clinical Journal of the American Society of Nephrology suggests that calcium-rich foods - such as low-fat milk and yogurt - can be protective.
在今年早些时候在食物保护杂志上刊登的一篇研究指出半个天然热狗中所含的亚硝酸盐是一整条传统热狗中所含亚硝酸盐的十倍。
A study published earlier this year in the Journal of Food Protection found that natural hot dogs had anywhere from one-half to 10 times the amount of nitrite that conventional hot dogs contained.
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