| 1. | A retrospective study of nosocomial infections in tumor hospital 2003年医院感染状况调查 |
| 2. | Retrospective study on pneumoconiosis in a nonferrous metal company 2003年间尘肺病发病状况分析 |
| 3. | Retrospective study on the filariasis elimination work in feixian county 费县消灭丝虫病工作回顾 |
| 4. | Retrospective study on 21 elderly patients with spinal tuberculosis 老年人脊柱结核21例回顾性分析 |
| 5. | A retrospective study on the forensic psychiatric expertise 司法精神医学鉴定无精神病74例案例分析及随访 |
| 6. | A retrospective study of 11876 cases of colonoscopic diagnosis and treatment 大肠镜诊断治疗11876例次回顾研究 |
| 7. | Retrospective study of the characteristics of postherpetic neuralgia in 178 cases 带状疱疹后遗神经痛178例特征回顾 |
| 8. | A ten - year retrospective study on injuries among the residents of a certain area 某地居民伤害发生情况的十年回顾性调查 |
| 9. | Retrospective study of squatting with prevalence of knee osteoarthritis 北京地区1858名老年人下蹲与膝关节骨关节炎患病率的回顾性调查 |
| 10. | Methods a retrospective study was carried out in 56 patients with cataract 方法对56例外伤性白内障人工晶体植入术后进行回顾性研究。 |