Tracking Openness and Topic Evolution of COVID-19 Publications January 2020-March 2021: Comprehensive Bibliometric and Topic Modeling Analysis.

J Med Internet Res · 2022 · PMC9531723 · PMID 36190742

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a decreasing trendno p-value reported

Analysis of the evolution of publishing models ( Figure 3 d) showed that use of the Green model exhibited a decreasing trend during the pandemic, eventually becoming the least-used model.

also in 47,180 other papers

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