流行病学

Methods Descriptive epidemiological method was adopted to analyze occupational health examination results of 1300 workers with hazard exposure and occupational hazards monitoring results in July 2007 and February 2008 in an automobile manufacture enterprise of Shunyi District statistically.

采用描述性流行病学方法，对北京市顺义区某汽车制造企业2007年7月和2008年2月职业病危害因素监测结果和接触有害因素的1300名职工健康检查结果进行统计和分析。

Objective To determine the prevalence and evaluate the risk factors of canine echinococcosis based on a field survey of dog infections with Echinococcus granulosus and E.

摘要目的对四川省甘孜县达通玛藏族牧区家犬感染细粒棘球棘球绦虫和多房棘球棘球绦虫进行流行病学调查和评价感染风险因素。

College of Animal Husbandry and Veterinary Science, Henan Agricultural University, Zhengzhou 450002; 2China Animal Health and Epidemiology Center, Qingdao 266032; 3College of Animal Science and Technology, Northwest University of Agriculture and Fores

李和平1、2，吴发兴1，李晓成1，陈德坤3（1中国动物卫生与流行病学中心，青岛 266032； 2河南农业大学牧医工程学院，郑州 450002； 3西北农林科技大学动物科技学院，杨凌 712100

Concept of distribution of disease、arithmetic of indicator of disease frequency、prevalence intensity classification、cross-sectional analysis method and analysis method of birth cohort study、two basis in pathogeny estimation of Immigration Epidemiology.

疾病分布地概念、疾病频率指标算法、流行强度分级、横断面分析法和出生队列分析法、移民流行病学在病因判断上的两个根据。

Objective This study is designed to provide evidence for correlation between genotypes of hepatitis B virus and its clinical epidemiology.

目的 本研究旨在为乙型肝炎病毒的基因型分布与临床流行病学的关系提供证据。

Objective This study is designed to provide evidence for correlation between genotypes of hepatitis B virus and its clinical epidemlology.

目的本研究旨在为乙型肝炎病毒的基因型分布与临床流行病学的关系提供证据。

Objective To evaluate the characteristics of spinal epidural and subdural haematomas in clinical situation and MRI diagnosis and therapeutic outcome.

结合相关文献，回顾性分析 7例自发性硬脊膜外血肿和 1例自发性硬膜下血肿的流行病学、发病机制、部位、临床特征、神经功能状态，以及手术、保守治疗和预后。

The epidemiological investigation of piglet was carried out carefully in hoggeries and every towns in north of Anhui Province.

方法］对皖北地区猪场及各乡镇发生猪水肿病进行较详细的流行病学调查。

To exam Kala - azar patients, sera and healthy persons, sera from epidemic area.

目的用从新疆不同地区分离得到的利什曼原虫前鞭毛体提取抗原，观察ELISA法检测黑热病病人和疫区健康人血清抗体时的敏感性和特异性，为制备ELISA诊断试剂盒和进一步提高这种检测方法的敏感性和特异性，提高黑热病现场流行病学调查结果的准确性和可靠性提供实验依据。

In both animal and human studies, chronic stress has been shown to decrease cellular immune parameters, such as natural killer cell cytotoxicity and T-cell responses to mitogen stimulation.

近年来，流行病学研究和动物实验均表明慢性应激是影响肿瘤发生发展和演进的重要因素，尤其是交感神经递质去甲肾上腺素的作用逐渐受到重视。

Do you know, i need you to come back

你知道吗，我需要你回来

Yang yinshu、Wang xiangsheng、Li decang,The first discovery of haemaphysalis conicinna.

1〕 杨银书，王祥生，李德昌。安徽省首次发现嗜群血蜱。