| 1. | Study design . a retrospectie , follow - up cohort study
研究设计：一项回顾性、随访调查研究。 |
| 2. | Historical cohort study
历史性队列研究 |
| 3. | A cohort study of the effect of environmental lead exposure on children behavior problems
出生前后铅暴露对儿童智力的影响 |
| 4. | In total , 40 patients were enrolled in this historical prospective cohort study
在这项历史前瞻性队列研究中纳入40例病例。 |
| 5. | Design : prospective cohort study from may 1 , 2000 , to april 30 , 2004
设计：从2000年5月1日至2004年4月30日进行前瞻性队列研究。 |
| 6. | A cohort study on cerebral vascular hemodynamics accumulative score and risks of stroke
脑血管血液动力学积分与脑卒中风险的队列研究 |
| 7. | An 1 - year prospective cohort study on mortality of injecting drug users
四川省凉山彝族自治州静脉吸毒人群死亡率及死因的前瞻性队列研究 |
| 8. | A prospective cohort study of mortality among injection drug users during 1 - year ' s follow - up
静脉吸毒人群前瞻性队列研究1年随访死因分析 |
| 9. | A cohort study on the cervical cancer in the middle aged females in rural areas of jiangxi provence
江西省农村地区中老年女性宫颈癌队列研究 |
| 10. | We performed a prospective cohort study among 184 unrelated white ch patients
我们实施了一个包含184名无相关白种丛集性患者的前瞻性群组研究。 |
