A randomized controlled trial of preventive antibiotics used for esophageal operations.

食管手术预防性抗生素使用的随机对照研究。

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The researchers note that because this trial used purified EPA instead of the fish oil used in previous studies, the preventive effects on stroke can be attributed to EPA.

研究者认为，由于这项试验使用的是纯epa，而非在以往的试验中使用的鱼油，其对于卒中的保护作用应来自于epa。

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Professor Nicholas Wald at the Wolfson Institute of Preventive Medicine is hopeful that the trial will be successful.

BBC: It is a relatively new area of cancer research

Only through continued support and participation of communities and individual trial volunteers will we achieve the goal of identifying a safe and effective preventive vaccine, which would be an invaluable addition to the tool box of prevention approaches.

WHITEHOUSE: Office of National AIDS Policy Blog