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SCI（科学引文索引） | 中山大学图书馆 Science Citation Index Expanded (科学引文索引，简称 SCIE)，是Web of Science数据库中的一个核心子库，该数据库收录了全球自然科学、工程技术、临床医学等领域内的178个学科的9,500多种有影响力的高质量学术期刊。 Web of Science核心合集还收录了文献中所引用的参考文献，通过独特的引文索引，用户可以用
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Google Scholar Google Scholar provides a simple way to broadly search for scholarly literature Search across a wide variety of disciplines and sources: articles, theses, books, abstracts and court opinions