| 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. | Risk factors of cholecystolithiasis : a case - control study
97例胆结石危险因素的病例对照研究 |
| 7. | A case - control study on road - related traffic injury in shanghai
道路交通伤害的病例对照研究 |
| 8. | 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 |
| 9. | A case - control study on body mass index and hypertension
体质量指数与高血压关系的病例对照研究 |
| 10. | A case - control study of a salmonella paratype a outbreak
一起企业甲型副伤寒爆发现场病例对照研究 |
