| 1. | Smoking is responsible for many cases of lung cancer .
吸烟是许多人患肺癌的致病因素。 |
| 2. | Exogenous pathogenic factor of traditional chinese medicine
论中医外感致病因素 |
| 3. | Smoking is responsible for many cases of lung cancer
吸烟是许多人患肺癌的致病因素 |
| 4. | Stress is a contributing factor in many illnesses
压力是许多疾病致病因素。 |
| 5. | However , no definite cause was found in this case
然而，在本病例当中没有明确的致病因素被发现。 |
| 6. | Analysis of the hereditary and environmental factors on cleft lip and cleft palate tao shuling
唇腭裂的遗传及环境致病因素分析 |
| 7. | Detailed anatomy , pathogenesis and diagnostic methods will be discussed
本文参阅文献，就其解剖、致病因素及诊断方式加以讨论。 |
| 8. | Clinical manifestations and pathogenic factors of deaf children in guangdong , investigation of 1886 cases
广东省聋儿1886例临床表现及致病因素调查 |
| 9. | Beer protects against the bacterium helicobacter pylori , known to cause ulcers and possibly linked to stomach cancer
啤酒能够抵抗幽门螺旋杆菌（已知的胃溃疡致病因素，可能还同胃癌相关） 。 |
| 10. | Innercity poverty is a risk factor : asthma mortality , for example , is highest among americans of puerto rican and african descent
城市贫民区倒是一个致病因素：比如，美藉波多黎哥人和美藉非洲人后裔的哮喘病死亡率最高。 |
