病因

The entire small intestine can be examined by double-balloon push enteroscopy with the combination of both oral and anal routes. In the etiological diagnosis of obscure small intestinal bleeding, enteroscopy is superior to enteroclysis.

经口腔和经肛门进镜方式结合能使推进式双气囊小肠镜完成对全小肠的检查，其在不明原因小肠出血的病因诊断方面明显优于小肠钡灌检查。

Objective To study the etiology,mechanism,diagnosis and treatment of functional delayed gastric emptying after epigastric zone operation.

目的 探讨上腹部手术后胃排空障碍的病因、发生机制、诊断和方法。

Hp is the primary etiological factor of active chronic gastritis and one of carcinogenes,the eradicative treatment of Hp play a important role in the procedure of chronic gastritis.

Hp为慢性活动性胃炎的最主要病因，又是致癌原之一，提示根除治疗Hp对慢性胃炎转归预后有重要的意义。

Methods: The HP infection of 268 esophagogastroscopy cases were analyzed on the base of founding of serolgical test, rapid ureas test and histological stain.

幽门螺杆菌(Helicobacter pylori，HP)感染是最常见的人类慢性感染之一，是胃、十二指肠疾病的主要病因 [1] ，有关这方面的报道较多。

Although there are various etiogenic theories,the etiology and pathogenesis of endometriosis is remain obscure.

尽管关于子宫内膜异位症的发病原因学说很多，但是究其发病机理及病因学尚不明确。

Objective To observe clinical characteristics of acute myocardial infarction in young patients and to explore the etiological factors.

目的 观察青年急性心肌梗死的临床特点，并探讨其病因。

Objective To investigate the etiological diagnosis and distribution of chronic cough.

目的 探讨慢性咳嗽的病因诊断及其分布。

Objective To analyze the diagnostic methods and etiological factors in patients with fever of unknown origin.

目的分析不明原因发热患者诊断方法的选择和病因的确定。

(1)HBV infection is an important etiological factor in the development of PLC.

结论（1）HBV感染是肝癌发生的重要病因因素。

Objective To analyze the diagnostic methods and etiological factors in patients with fever of unknown origin.

目的 分析不明原因发热患者诊断方法的选择和病因的确定。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。