These variables have prevented scientists from getting good epidemiological evidence about potential health risks of cell phone usage .
这些变量会导致科学家无法得出有利的流行病学证据以证明使用手机对健康的潜在危害。
For this reason , who also uses clinical and epidemiological data when making risk assessments .
由于这一原因,世卫组织也用临床和流行病学的资料进行风险评估。
The epidemiological evidence for a causal association between cancer and rf energy is weak and limited .
流行病学提供的关于癌症和射频能量之间因果关系的证据不可靠,并且有局限性。
Many variables have prevented scientists from getting good epidemiological evidence about the potential health risks of cell phones .
由于存在许多变量导致科学家无法获得有利的流行病学证据以证明使用手机对人体健康的潜在危害。
When epidemiological studies fulfill most of these criteria they can be convincing as when studies demonstrated a link between cigarettes and lung cancer .
当流行病学研究符合大多数标准时,它们才可能令人信服,正如研究证明了香烟与肺癌之间联系。
He cautioned that recent epidemiological data indicated that even moderate amounts of alcohol intake may generally increase the risk of breast cancer in women .
他同时警告说,近年来的流行病学统计数据显示,即使是饮用适量的酒精也会显著地增加女性患乳腺癌的风险。
It looked at 47 epidemiological studies in 14 countries , including about 25000 women with ovarian cancer and more than 80000 women without ovarian cancer .
The scientists said the study on the rats now needs to be confirmed by analysing any epidemiological association between eating chilli peppers and blood pressure .
科学家认为,当前必须通过分析进食辣椒粉与血压之间的流行病学联系,对这项基于老鼠的研究加以确认。
To help strengthen epidemiological analysis sir austin bradford hill a british medical statistician set out certain criteria in 1965 that indicate cause and effect .
Epidemiological studies such as this one , investigating how often diseases occur in a specific population and why , have to be carried out on a large scale , but this is bigger than anything tried before .