英汉例句

• methods: we conducted a retrospective cohort study using surveillance, epidemiology, and end results cancer registry data linked to medicare claims data to determine the effect of rt on risk of sbo.

  方法：我们利用与医疗保险索赔数据有关的癌癥监测、流行病学、最终结果登记资料，进行了一次回顾性群组研究来判定rt导致sbo的风险。

• a retrospective cohort study was conducted among iron and steel workers working in 18 iron and steel making and rolling factories from 3 chinas iron and steel group corporations.

  采用回顾性队列研究对国内三个钢铁集团公司所属的18个炼铁、炼钢和轧钢厂进行了流行病学研究。

• methods a cross sectional and a retrospective cohort study and animal experiment were carried out.

  方法采用横断面调查、回顾队列调查和动物实验等方法。

• methods: a retrospective cohort study was performed , date from birth defects of hoping distinct shenyang in 2007.

  方法对2007年人群出生缺陷发生情况进行回顾性分析。

• a retrospective cohort study of culture-positive hcap over 6 years (january 2003-december 2008) was performed at barnes-jewish hospital, a 1200-bed urban teaching hospital.

  这项回顾性队列研究开展了六年，在巴恩斯犹太医院。这是一个1200床的教学医院。

• methods a retrospective cohort study was used in this study.

  方法采用历史前瞻性流行病学方法。

• a retrospective cohort study of lung cancer in 2383 asbestos workers was carried out from january 1,1972 to december 31,1981.

  本文报道2383例石棉工人的肺癌发生率，采用回顾队列调查法，追蹤10年（1972—1981）。

• the analysis of lung cancer risk factors among male population was based on the data of a retrospective cohort study conducted during 1976~1996 in xuanwei, china.

  本文对1976～1996年宣威肺癌病因学干预试验研究数据库中男性人群的原始记录进行了分析。