Last month, an epidemiological study of 51, 704 melanoma cases nationwide showed that melanomas of the scalp and neck are disproportionately fatal.
上个月，针对全国范围51 704例黑色素瘤病例的流行病学研究显示，头皮和脖颈处黑色素瘤致命比例之高异乎寻常。
Comment: in a previous epidemiological study, the prevalence of dysmenorrhea was inversely associated with dietary intake of both fish oil and vitamin B12.
评论：在先前的流行病史研究中，痛经的发生几率与日常饮食中摄取的鱼油和维生素b 12呈现负相关关系。
Whether or not the cleaning products are a direct cause of asthma, or simply a trigger for people who already have the disease, isn't clear from this epidemiological study.
但这次的流行病学研究并没有清楚的表明，清洁产品是导致哮喘的直接原因还是仅仅只是哮喘患者的诱因。
The data come from an epidemiological study called the Moli-sani Project, which selected men and women at least 35 years old randomly from city hall registries in southern Italy.
数据来自于一项名为Moli - sani的流行病学研究，这项研究从意大利南部市政厅已注册人员中随机挑选了一些年龄在35岁以上的男性和女性。
Study Design. A population based, epidemiological study.
研究设计：以人群为基础的流行病学研究。
The authors report here the epidemiological study of hydatid disease in 2 counties of Xinjiang.
本文报告新疆特克斯县及和硕县包虫病流行病学调查的结果。
Design: Data were used from the Boston Area Community Health Survey, an epidemiological study conducted from 2002-2005.
试验设计：采用2002- 2005年间一项流行病学研究中波士顿地区人群健康问卷调查数据。
The warning is based on an ongoing epidemiological study conducted by the CDC and several state and local health departments.
这项警告是基于CDC和一些州以及地方健康部门的流行病学调查。
Objective: To investigate the sleeping quality of the retired elderly for further epidemiological study about senile insomnia.
目的：调查老年人睡眠状况，为老年失眠症的研究提供更多依据。
According to the epidemiological study, incidence of cerebrovascular disease is about 140-200/100000 population, average death rate is 100/100000 population.
据流行病学调查得知，全世界范围内脑血管疾病的发病率为140-200/ 10万人口，其平均死亡率为100/10万人口。
To monitor the distribution and resistance of enteric pathogenic bacteria in Beijing to offer the data for guiding epidemiological study and clinical treatment.
目的监测北京地区肠道致病菌的组成及耐药状况，为本地区的流行病学研究及临床合理用药提供依据。
The character of exposure-response relationship between particulate matter and population mortality has been one of the critical and difficult problems in air pollution epidemiological study.
前言： 目前，针对空气颗粒物与人群死亡率暴露-反应关系特征的研究已经成为空气污染流行病学研究的关键和难点问题之一。
The result shows that it is a practicable way to calculate the economic losses from air pollution using corrected human capital method in combination with environmental epidemiological study.
结果表明，用修正的人力资本法结合环境流行病学调查来测算是一条可行的途径。
On the basis of epidemiological study and literature review, the scientific bas is for indicators of health effect and judgement value of those indicators in discriminant standard have been proved.
研制组在流行病学调查研究的基础上，综合分析国内外资料，对标准中的健康危害指标及其判定值的制订依据进行了论证。
On the basis of epidemiological study and literature review, the scientific bas is for indicators of health effect and judgement value of those indicators in discriminant standard have been proved.
研制组在流行病学调查研究的基础上，综合分析国内外资料，对标准中的健康危害指标及其判定值的制订依据进行了论证。
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