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选取1998年1月1日至2008年12月31日这11年间的《基本科学指标数据库》(EssentialScientific Indicator,简称ESI)中“临床医学”(Clinical Medicine)领域的324篇热门论文(Hot paper)为研究对象,对其从发文时间分布、国家分布、机构分布、期刊分布、被引情况等几个角度进行文献计量分析。然后,采用多维尺度分析、聚类分析、Pajek可视化等方法,选取出54篇高被引论文进行共被引分析,结果发现目前国际上在临床医学领域的研究热点主要集中在癌症方面,高被引论文的聚类效果能够很好的反映出国际上在临床医学领域研究主题的相关关系。
The author selected 324 hot papers in the field of “Clinical Medicine” from the Essential Scientific Indicator (ESI) in the 11 years from January 1, 1998 to December 31, 2008 paper as the research object, the essay analyzes the bibliographic documents from several aspects such as the time distribution of the written articles, the national distribution, the institutional distribution, the distribution of periodicals and the cited cases. Then, 54 highly cited papers were selected for co-citation analysis using multidimensional scaling analysis, cluster analysis and Pajek visualization. The results show that the current research focuses in the field of clinical medicine mainly focus on cancer, The clustering results of cited papers can well reflect the relevant international research topics in the field of clinical medicine.