在研究的另一端，德国的研究没有发现在手机使用和癌症之间存在联系。
On the other end of the spectrum, Germany found no link at all between cell phone use and cancer.
现有绝大多数的研究都还未找到手机和癌症之间的联系，如果存在这样的联系，这也不可能是个大的联系。
The vast majority of existing studies have not found a link between phones and cancer, and if such a link exists, it is unlikely to be a large one.
他表示，研究结果是可能存在风险，这就意味着科学家需要对手机与癌症之间的关系做进一步观察。
He says the finding that there could be some risk means scientists need to keep a close watch for a link between cell phones and cancer.
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