50 年综合医学期刊的命运与影响。
Fifty-year fate and impact of general medical journals.
机构信息
Department of Hygiene and Epidemiology, University of Ioannina Medical School, Ioannina, Greece.
出版信息
PLoS One. 2010 Sep 1;5(9):e12531. doi: 10.1371/journal.pone.0012531.
BACKGROUND
Influential medical journals shape medical science and practice and their prestige is usually appraised by citation impact metrics, such as the journal impact factor. However, how permanent are medical journals and how stable is their impact over time?
METHODS AND RESULTS
We evaluated what happened to general medical journals that were publishing papers half a century ago, in 1959. Data were retrieved from ISI Web of Science for citations and PubMed (Journals function) for journal history. Of 27 eligible journals publishing in 1959, 4 have stopped circulation (including two of the most prestigious journals in 1959) and another 7 changed name between 1959 and 2009. Only 6 of these 27 journals have been published continuously with their initial name since they started circulation. The citation impact of papers published in 1959 gives a very different picture from the current journal impact factor; the correlation between the two is non-significant and very close to zero. Only 13 of the 5,223 papers published in 1959 received at least 5 citations in 2009.
CONCLUSIONS
Journals are more permanent entities than single papers, but they are also subject to major change and their relative prominence can change markedly over time.
背景
有影响力的医学期刊塑造了医学科学和实践，其威望通常通过引文影响指标来评估，如期刊影响因子。然而，医学期刊的持久性如何，它们的影响力随时间的稳定性如何？
方法和结果
我们评估了半个世纪前，即 1959 年出版论文的普通医学期刊发生了什么。从 ISI Web of Science 检索引文数据，从 PubMed（期刊功能）检索期刊历史数据。在 1959 年符合条件的 27 种期刊中，有 4 种停止发行（包括 1959 年最负盛名的两种期刊），另外 7 种期刊在 1959 年至 2009 年期间更改了名称。在这些 27 种期刊中，只有 6 种期刊自发行以来一直以最初的名称连续出版。1959 年发表的论文的引文影响与当前的期刊影响因子形成鲜明对比；两者之间的相关性不显著，几乎为零。在 1959 年发表的 5223 篇论文中，只有 13 篇在 2009 年获得了至少 5 次引用。
结论
期刊是比单篇论文更持久的实体，但它们也会发生重大变化，其相对重要性会随时间显著变化。
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