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10.1016/j.jclinepi.2022.03.006

http://scihub22266oqcxt.onion/10.1016/j.jclinepi.2022.03.006
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35341949!8942908!35341949
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suck abstract from ncbi


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pmid35341949      J+Clin+Epidemiol 2022 ; 147 (ä): 52-59
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  • The currency and completeness of specialized databases of COVID-19 publications #MMPMID35341949
  • Butcher R; Sampson M; Couban RJ; Malin JE; Loree S; Brody S
  • J Clin Epidemiol 2022[Jul]; 147 (ä): 52-59 PMID35341949show ga
  • OBJECTIVE: Several specialized collections of COVID-19 literature have been developed during the global health emergency. These include the WHO COVID-19 Global Literature Database, Cochrane COVID-19 Study Register, CAMARADES COVID-19 SOLES, Epistemonikos' COVID-19 L-OVE, and LitCovid. Our objective was to evaluate the completeness of these collections and to measure the time from when COVID-19 articles are posted to when they appear in the collections. STUDY DESIGN AND SETTING: We tested each selected collection for the presence of 440 included studies from 25 COVID-19 systematic reviews. We sampled 112 journals and prospectively monitored their websites until a new COVID-19 article appeared. We then monitored for 2 weeks to see when the new articles appeared in each collection. PubMed served as a comparator. RESULTS: Every collection provided at least one record not found in PubMed. Four records (1%) were not in any of the sources studied. Collections contained between 83% and 93% of the primary studies with the WHO database being the most complete. By 2 weeks, between 60% and 78% of tracked articles had appeared. CONCLUSION: Our findings support the use of the best performing COVID-19 collections by systematic reviews to replace paywalled databases.
  • |*COVID-19/epidemiology[MESH]
  • |Databases, Factual[MESH]
  • |Humans[MESH]


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