Health information and libraries journal
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Comparative Study
Medical literature searches: a comparison of PubMed and Google Scholar.
Medical literature searches provide critical information for clinicians. However, the best strategy for identifying relevant high-quality literature is unknown. ⋯ PubMed searches and Google Scholar searches often identify different articles. In this study, Google Scholar articles were more likely to be classified as relevant, had higher numbers of citations and were published in higher impact factor journals. The identification of frequently cited articles using Google Scholar for searches probably has value for initial literature searches.