| 1. | A case - control study on the risk factors for road injury 道路伤害的病例对照研究 |
| 2. | A case - control study on gastric cardia cancer in fujian 福建省贲门癌病例对照研究 |
| 3. | Case - control study on myopia risk factors 小学生近视眼危险因素的病例对照研究 |
| 4. | A case - control study on attempted suicide 自杀未遂危险因素的病例对照研究 |
| 5. | Case - control study on gastric cardia cancer 贲门癌危险因素病例对照研究 |
| 6. | Robust nonlinear control study for power system excitation 电力系统励磁鲁棒非线性控制研究 |
| 7. | Risk factors of cholecystolithiasis : a case - control study 97例胆结石危险因素的病例对照研究 |
| 8. | A case - control study on road - related traffic injury in shanghai 道路交通伤害的病例对照研究 |
| 9. | Clinical control study of pph and milligan - morgan 吻合器痔环切术与传统痔切除术临床对照研究 |
| 10. | A case - control study on risk factors of low birth weight 低出生体质量影响因素的病例对照研究 |