The only well-established causative factor is cigarette smoking.
胰腺癌唯一公认的致因是吸烟。
Heavier drink at this age is a predictor of later alcoholism and is likely a major causative factor.
在这个年龄饮酒过重预示着以后的酗酒，并且很可能是一个主要的致病因素。
Conclusions JDD influences bile duct diameter, and is an important causative factor in the formation of choledocholithiasis.
结论JDD影响胆总管直径，是胆总管结石形成的重要危险因素。
This article simply introduces the morbidity, pathogenesis, causative factor, clinical manifestation and treatment of AD by reviewing recent literatures.
本文通过复习文献，主要就AD的发病率、发病机制、诱发因素、临床表现和治疗进行简要叙述。
Objective To study the mechanism of and causative factor of retinal ischemic injury as well as the protective effect of taurine(2-aminoethanesulfonic acid).
目的探讨缺血性视网膜病变中视网膜损伤的机制及诱因并研究牛磺酸的保护作用。
It is true that epidemiological studies cannot identify cause and effect - they can only point to associations between a suspected causative factor and a health problem.
确实，流行病学不能鉴别出影响的起因—它们只能指出令人怀疑的病因与健康问题之间有相关性。
In many cases of eczema it is probable that more than one causative factor is involved and that the patients may be sensitive to a variety of contact and ingested allergens.
在很多湿疹的病例中，其致病因素或许不止一个，也可能病人对接触的和吃入的多种过敏原过敏。
No one knows what triggered the vomiting syndrome, but stress is often a causative factor - so even that might have been linked to the disorders Darwin gained during the voyage.
没有人知道是什么导致了呕吐综合症，但压力通常是一个诱因-甚至也可能与达尔文在航海旅行中患上的失调症有关联。
Although the pathogenesis of type 2 diabetes is unclear, obesity is considered to be a major causative factor. Amelioration of obesity has been a strategy to treat type 2 diabetes.
2型糖尿病的发病机制虽然尚不十分清楚，但肥胖被认为是主要诱因，如何改善肥胖是治疗2型糖尿病的研究方向之一。
Ye considered that chronic renal failure is often manifested with predominance of pathogenic factor, and causative treatment is ineffective. So, pathogenic - factor eliminating therapy is recommended.
认为慢性肾功能衰竭患者多表现为“标急于本”的邪实征象，治本常缓不济急，主张当以祛邪为主进行治疗。
Ye considered that chronic renal failure is often manifested with predominance of pathogenic factor, and causative treatment is ineffective. So, pathogenic - factor eliminating therapy is recommended.
认为慢性肾功能衰竭患者多表现为“标急于本”的邪实征象，治本常缓不济急，主张当以祛邪为主进行治疗。
应用推荐