The journal alleged that Dr. Leon violated that covenant when he divulged study findings during remarks made at an industry symposium 36 hours before the results were to be released. At that time Dr.

这个杂志指责Leon博士违反了契约，因为他在结果公布36小时前产业专题讨论会上的评论过程中泄露了研究发现。

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As he and other economists acknowledge in a symposium in the July Economic Journal, there is no clear-cut theoretical answer to the question of whether regional trade agreements are good or bad, and the empirical findings are hotly disputed.

ECONOMIST: Do regional trade agreements encourage free trade?

The findings are being presented this week at the annual San Antonio Breast Cancer Symposium and were published online Wednesday by the New England Journal of Medicine.

WSJ: Breast-Cancer Drugs Raise Hopes