举例：

　　(1)To evaluate the effects on 24-hour intragastric pH levels of infusions with omeprazole and H2 receptor antagonists in bleeding duodenal ulcer patients.

　　(2)The role of omeprazole in triple therapy and the impact of Helicobacter pylori resistance on treatment outcome are not established. This study investigated the role of omeprazole and influence of primary H. pylori resistance on eradication and development of secondary resistance.

　　三、介绍目的常用句型

　　主要用动词不定式 to 表达

　　1.直接用 to do 短语表达

　　举例：To determine if use of omeprazole protects against the gastric mucosal injury

　　2.The purpose/aim/objective/goal(of present study is)was to

　　举例：The aim of this study was to determine the protective function of omeprazole on gastric mucosal injury

　　3.The present study is /was designed/devised/intended to

　　举例：The present study was designed to establish whether there might be a genetic predisposition to an altered pattern of anti-inflammatory cytokine produced in patients with irritable bowel syndrome

　　4.This study was performed/conducted/carried out/undertaken to

　　举例：An experimental study was conducted using a canine mode to elucidate …

　　5.We aimed/sought to/attempted to

　　举例：We sought to assess whether there is an increased risk of tuberculosis among individuals who work in certain industries occupations.

　　四、介绍目的常用动词

　　1.研究：study, investigate, examine, observe, explore

　　举例：Our objective in this report is to examine the clinical feature, pathology and treatment for patients with pancreatic cancer.

　　2.评价：evaluate, validate

　　举例：To evaluate sonography as a tool for initial diagnosis in emergency room patients with abdominal trauma.

　　3.确定：determine, decide, confirm, support, define, characterize

　　4.证实：prove, demonstrate, document, test, support, testify, verify

　　5.阐明、搞清：explain, elucidate, clarify, illustrate, delineate, find out, contribute to the knowledge of

　　6.介绍：describe, present, report

　　7.建立：establish, develop, set out

　　8.寻找：search for, look for, seek, find

　　9.识别、区分：identify, differentiate, discriminate

　　10.优选：optimize

　　11.比较：compare

　　12.回顾：review

　　13.相关：correlate A with B

　　方法部分

　　(1)研究设计

　　(2)研究对象的特性

　　(3)干预或处理方法

　　(4)测定或观察方法

　　一、 研究对象的选择、来源及标准

　　1.纳入研究：were entered into/enrolled in/selected (randomly)

　　举例：A total of 169 patients were included in the study, 83 of whom received……

　　2.排除或退出研究：were excluded from participation，withdrew from the study due to/because to

　　举例：……Patients with significant aortic valvular diseases were excluded.

　　二、 研究对象的分组

　　1.……were divided into/classified/grouped into

　　2.……were divided randomly/randomized into

　　3.…… were divided equally into

　　举例：Patients were divided into three groups: Group 1…… Patients (n = 539) with a history of duodenal ulcer and a positive H. pylori screening test result were randomized into 4 groups. OAC group received 20 mg omeprazole, ……

　　三、 年龄

　　1.某一年龄

　　举例：A 50-year-old patient. Patients (age 26±3 years).

　　2.在某年龄范围内及平均年龄

　　举例：Patients range in age from …to…, with a mean of (50 years).

　　3.在某一年龄以上或以下

　　举例：Patients more than 50 years. Patients under/less than 50 years.

　　四、 性别、时间

　　1.性别

　　twelve patients (7 male and 5 female)

　　The male-to-female ratio was 1:4

　　2.时间

　　Body weight was measured weekly, and liver biopsy was obtained at 4, 8 and 12 weeks. ……

　　五、 诊断与治疗

　　1.诊断

　　be diagnosed as having …

　　be diagnosed as …by …/with …be suspected as …

　　2.治疗

　　be treated with…(alone or in combination with …)