2) historic compared research
历史性对照
1.
The historic compared research of valproic acid(VPA) treated child epilepsy by individuate treatment
丙戊酸钠个体化剂量治疗儿童癫痫历史性对照研究
3) historical research
历史性研究
4) historical cohort study
历史性队列研究
1.
A historical cohort study was carried out by comparing levels of sero antibodies against Legionella pneumnophila of 414 workers who were taken as the exposure group under central air conditioning systems with 414 controls from the general poputation as the non exposure group.
方法 随机抽取北京市 4家大饭店 414位工作人员作为暴露人群和 414位对照者作为对照人群 ,用历史性队列研究方法 ,针对中央空调系统这一暴露因素进行血清流行病学研究。
2.
【Method】 52 687 puerperals and their 53 324 infants were researched,the relative risk(RR) and the population attributable risk(PAR) of the ten exposure factors were calculated with historical cohort study.
【方法】以1994~2002年在广州市荔湾区分娩的52687例产妇和53324例围产儿为研究对象,采用历史性队列研究的方法,分别计算10项暴露因素的相对危险度(relativerisk,RR)和人群归因危险度百分比(populationattributablerisk,PAR)。
3.
A historical cohort study was further confirmed the risk factors of SID which were screened out by single variat and multivariate analys.
通过历史性队列研究验证儿童SID的危险因素。
5) The continuity of the study of history
历史研究延续性
6) Historic Project-based Learning
历史研究性学习
1.
Based on Multiple Intelligent Theory Middle School Historic Project-based Learning;
基于多元智能理论的中学历史研究性学习
补充资料：队列研究
队列研究
也称定群研究，是暴露与未暴露于某因素的两种人群，追踪其各自的发病结局，比较两者发病结局的差异，从而判定暴露因子与发病有无因果关联及关联大小的一种观察研究方法。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条