靶向治疗法最成功的故事之一是一种名为贺癌平的药物。
One of the biggest success stories of targeted therapy is a drug called Herceptin.
贺癌平的特异性也没有任何疑问 — 它现在得到很好的证实。
Nor is there any question over Herceptin's specificity—that is now well established.
贺癌平就是这样一种神奇的药物，它能堵住乳腺癌中发现的30%有瑕疵基因的路径。
Herceptin is one such miracle drug that blocks a faulty gene pathway found in 30 percent of breast cancers.
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