retrospective cohort study
常见例句
- 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，追踪10年（1972—1981）。 - The retrospective cohort study drew information relating to the treatment of diabetic patients from 300 British general practice records.
这一回顾性队列研究从300例英国糖尿病患者的治疗记录中提取信息。 返回 retrospective cohort study