| 1. | Historical cohort study
历史性队列研究 |
| 2. | 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。 |
| 3. | 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。 |
| 4. | Effect of environmental lead exposure on time to pregnancy of newly - married women
婴幼儿血铅水平与出生前后铅暴露关系的队列研究 |
| 5. | 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 |
| 6. | 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 |
| 7. | 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 |
| 8. | 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 |
| 9. | Study on mortality , incidence and risk factors of stroke in a cohort of elderly in xi ' an , china
军队男性中老年人脑卒中发病和死亡的队列研究 |
| 10. | A cross - sectional study of the effects of blood lead and cadmium etc six elements on infant behavior problems
环境铅污染对儿童行为影响的队列研究 |
