2012
DOI: 10.1016/j.jclinepi.2012.01.015
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Semantically equivalent PubMed and Ovid-MEDLINE queries: different retrieval results because of database subset inclusion

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Cited by 8 publications
(5 citation statements)
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“…• Participants used different search interfaces (Pubmed, OvidSP), which might have had an impact on retrieval results [30,31]. In addition, the searches based on the objective or conceptual approaches were conducted at different times (between a few days and 6 months difference).…”
Section: Limitationsmentioning
confidence: 99%
“…• Participants used different search interfaces (Pubmed, OvidSP), which might have had an impact on retrieval results [30,31]. In addition, the searches based on the objective or conceptual approaches were conducted at different times (between a few days and 6 months difference).…”
Section: Limitationsmentioning
confidence: 99%
“…However, PubMed (its own NLM sponsored search tool) is nowadays the most popular interface 2 and offers a higher sensitivity in the search for systematic reviews. 3 More than 20 other interfaces exist and offer interesting features; 4,5 some are focused on using natural language (semantic search), answer structured clinical questions, cluster results, identify similar publications, or look for expert networking. For example, GoPubMed (http://gopubmed.org) and Medsum (http://webtools.mf.…”
Section: Squeezing the Juice To Medlinementioning
confidence: 99%
“…A third study found that PubMed retrieved more records than Ovid’s MEDLINE, but this study did not include MEDLINE subset results in PubMed [24]. A reply to this study suggested that the differences could be explained by basic problems with bibliographic and MEDLINE searching and concluded that “database and search interface providers should agree on common standards in terminology and search semantics and soon make their professional tools as useful as they are intended to” [25].…”
Section: Introductionmentioning
confidence: 99%