国外消化性溃疡文献研究热点的分析
消化性溃疡;研究热点;聚类分析,张晗,崔雷,刘鹏年,通讯作者:,Analysisofforeignliteraturesonpepticulcerresearch,HanZhang,LeiCui,Peng-NianLiu,Corresponden
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张晗, 崔雷, 中国医科大学信息管理与信息系统(医学)系 辽宁省沈阳市 110001
刘鹏年, 中国人民解放军医学图书馆 北京市 100039
通讯作者: 张晗, 110001, 辽宁省沈阳市, 中国医科大学信息管理与信息系统(医学)系. zhanghan@mail.cmu.edu.cn
收稿日期: 2007-02-02 接受日期: 2007-03-06
Analysis of foreign literatures on peptic ulcer research
Han Zhang, Peng-Nian Liu, Lei Cui
Han Zhang, Lei Cui,Faculty of Information Management and Information System (Medicine), China Medical University, Shenyang 110001, Liaoning Province, China
Peng-Nian Liu,Medical Library of Chinese PLA, Beijng 100039, China
Correspondence to:Han Zhang, Faculty of Information Management and Information System (Medicine), China Medical University, Shenyang 110001, Liaoning Province, China. zhanghan@mail.cmu.edu.cn
Received:2007-02-02 Accepted:2007-03-06
Abstract
AIM: To present the hot topics on peptic ulcer research by analyzing the related literatures.
METHODS: PubMed database was searched to select the articles related to peptic ulcer and published during the year 2004 to 2006, and the subject heading (MeSH) terms of all articles were downloaded. Subsequently all the MeSH terms that appeared over 20 times were selected and co-word analysis was used to cluster these medical MeSHs. After statistically analyzing the contents of each cluster, the research focuses were obtained.
RESULTS: A total of 1559 articles associated with peptic ulcer were searched from PubMed database, and 64 MeSH terms appeared over 20 times. The MeSH term "application of anti-ulcer drugs" was found with the most occurrence frequency (181 times). The 64 terms were clustered into 7 groups according to their co-occurrence strengths.
CONCLUSION: The 7 hot topics are as follow: the drug therapy of peptic ulcer, the etiology study of chemical-induced peptic ulcer, surgery on peptic ulcer, the drug therapy of H pylori infection, laboratory diagnosis of peptic ulcer and epidemiology and genetic research on peptic ulcer ......
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