Journal of Clinical Medicine Research, ISSN 1918-3003 print, 1918-3011 online, Open Access
Article copyright, the authors; Journal compilation copyright, J Clin Med Res and Elmer Press Inc
Journal website

Letter to the Editor

Volume 12, Number 10, October 2020, pages 683-685

Identifying the Quality Nuggets Amid the Explosion of COVID-19-Related Scientific Communication: An Insurmountable Challenge?


Table 1. Retrieved COVID-19-Related Citations Obtained Through a Search of the PubMed Search Enginea
Citation categorybCitation numbers
aSearch results for citations published from January 1, 2020 through July 20, 2020. The search strategy is detailed in the manuscript. bThe citation categories included in the table are based on the filter options included in the PubMed search engine and reflect the indexing classification of each citation by the National Library of Medicine. cThe “Clinical studies” category in the table includes all the following filter options provided in the PubMed search engine: Clinical Study; Clinical Trial Phase I; Clinical Trial Phase II; Clinical Trial Phase III; Clinical Trial Phase IV; Multicenter Study; Observational Study; Pragmatic Clinical Trial; Clinical Trial; Comparative Study; Validation Study; Controlled Clinical Trial; and Randomized Controlled Trial. dThe “Review” category includes 475 systematic reviews. eThe “Other” category includes all the citations not classifiable by the filter options included in the table. These include predominantly citations indexed as “Journal Article”.
Clinical studiesc546
Case reports1,515