27. These results from a prospective, multicenter cohort study by French researchers were reported in the May issue of the Archives of Dermatology.
这些研究结果来自法国学者进行的一项前瞻性,多中心队列研究,相关结果发表在五月期皮肤科文献集。
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28. In this multicenter, randomized trial, we compared preoperative biliary drainage with surgery alone for patients with cancer of the pancreatic head.
在这项多中心的随机(对照)研究中,我们对胰头癌患者术前胆道引流与直接手术进行了比较。
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29. Here's welcome news for women with migraines: They may face a 26 percent lower risk of breast cancer, suggests a multicenter study of more than 9, 000 women.
根据一个针对9,000个女性的多中心的研究表明,她们将减少26%患乳腺癌的危险性。
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30. In recent years, multicenter studies have confirmed that intra-arterial thrombolysis is an effective approach in the treatment of acute cerebral infarction.