流行病学

However, the mechanism of rotenone in PD is unclear.

大量的流行病学和小动物实验研究发现长期以来被认为安全有效广泛使用的农药杀虫剂鱼藤酮与PD的发病相关，但是其具体的作用机制不详。

Male Wistar rats were divided into 4 groups of 30 animals each and were fed for 9 weeks with semisynthetic diets containing 15% coconut, teaseed or safflower oil and 1% cholesterol respectively.

但近年的流行病学研究发现，地中海地区居民摄食大量富含MUFA的橄榄油，其血TC水平和冠心病发病率较欧美国家的为低。

Methods The stratified random sampling rule and the standard grading system of blindness set by WHO were adopted in the study, and 11 327 subjects were enrolled (a sampling fraction of 2.01%) in the whole county.

采用分层随机抽样原则，以世界卫生组织盲目分级为标准，对全县按2.01%抽样比例抽取11327例进行盲和低视力的流行病学调查。

The diagnosis of scrub typhus is mainly based on the clinical data, laboratory tests and epidemic investigation.

恙虫病诊断主要依靠临床、实验室及流行病学调查，影像诊断为非特异性的，但在判定并发症和辅助诊断上必不可少。

NPCR has high sensitivity and specificity. Hence.The PCR assay is a useful tool to investigate the natural epidemic foci of scrub typhus.

套式PCR具有很高的敏感性和特异性，是疫源地及现场流行病学调查的有效手段。

Orientia tsutsugamushi; Scrub typhus; Rodents; Epidemiology,molecular

恙虫病东方体恙虫病啮齿动物流行病学，分子

Anxiety and depression were assessed with the Self-rating Anxiety Scale and the Center for Epidemiologic Studies Depression Scale, respectively.

采用自评焦虑量表和美国CDC编制的流行病学调查用抑郁量表分别评价焦虑和抑郁情况。

Background: The prevalence of sensitization in patients with asthma and rhinitis in mainland China remains unclear.

背景：中国大陆哮喘和鼻炎患者变应原的流行病学尚不清楚。

Objective There is a close relationship between genospecies and clinical manifestation, the choice of strain for vaccine and serodiagnosis antigen. So molecular epidemiology of Borrelia burgdorferi sensu lato in China is important for the prevention of Lyme disease.

目的莱姆病螺旋体的基因型和临床表现、疫苗菌株和抗原菌株的选择存在密切的关系，所以对中国菌株进行分子流行病学研究，可为莱姆病的防治提供科学依据。

Epidemiologic data indicates that breast carcinoma occur tightly with mammary dysplasia. It is a slow-paced course that normal mammary epithelium be transformed to tumorous epithelium.

流行病学资料表明乳腺癌的发生与乳腺增生性疾病密切相关，正常乳腺的上皮细胞向恶性转化，是一个渐进的过程。

This one mode pays close attention to network credence foundation of the businessman very much.

这一模式非常关注商人的网络信用基础。

Cell morphology of bacterial ghost of Pasteurella multocida was observed by scanning electron microscopy and inactivation ratio was estimated by CFU analysi.

扫描电镜观察多杀性巴氏杆菌细菌幽灵和菌落形成单位评价遗传灭活率。