We've pulled all the personally identifiable information.

们已经获得了所有个人的、可确的信息。

The study will help establish if protection actually lasts longer than one year, thereby easing pressure on a limited global stockpile of yellow fever vaccine.

该项研究可帮助确疫苗的防护是否能超过一年，因此能够减少由疫苗库存有限带来的压力。

X-rays with barium contrast of the upper GI tract can be useful to identify the location of the cancer and complications like ulcers or esophageal stenosis.

道的X线钡餐检查可有效确食管癌的部位以及是否有破溃、食管狭窄等并发症。