西利斯在食管癌中的作用。 （注：你原文中的“silis”可能有误，不太符合常见词汇，正确词汇可能会使译文更准确）
Role of silis in esophageal cancer.
作者信息
Jabbari Ali, Besharat Sima, Semnani Shahryar
出版信息
World J Gastroenterol. 2008 May 21;14(19):3106-7. doi: 10.3748/wjg.14.3106.
Association of silica with diseases like cancers has been determined previously. This study was designed to determine the quantity of silis in flour produced in Golestan Province, and its relation to esophageal cancer (EC). We took flour samples from all flour millings in Golestan Province. Base-melting method in nickel cruise was used at 550 centigrade. The extract was reduced with acids. Different silis concentrations in various regions were compared. P < 0.05 was considered statistically significant. The median silis concentration was 0.0030 g, the mean silis concentration was 0.008760 +/- 0.004265 g in each 100 g flour. The difference of mean silis concentrations in various regions was not significant. No high level of silica was found in the flour of Golestan Province. We could not find any significant difference in various areas between silica contaminations. Studies on the consumed bread and rice in various regions of Golestan Province can be helpful.
此前已确定二氧化硅与癌症等疾病之间的关联。本研究旨在测定戈勒斯坦省生产的面粉中二氧化硅的含量及其与食管癌（EC）的关系。我们从戈勒斯坦省的所有面粉加工厂采集了面粉样本。在550摄氏度下采用镍坩埚碱熔法。提取物用酸还原。比较了不同地区不同二氧化硅浓度。P<0.05被认为具有统计学意义。二氧化硅浓度中位数为0.0030克，每100克面粉中二氧化硅平均浓度为0.008760±0.004265克。不同地区二氧化硅平均浓度差异不显著。在戈勒斯坦省的面粉中未发现高含量的二氧化硅。我们未发现不同地区二氧化硅污染之间存在任何显著差异。对戈勒斯坦省不同地区食用的面包和大米进行研究可能会有所帮助。
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