Changes in articles per issue before and after January 31, 2020, the boundary between the defined pre- and post-Covid eras.
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下载链接：
https://figshare.com/articles/dataset/Changes_in_articles_per_issue_before_and_after_January_31_2020_the_boundary_between_the_defined_pre-_and_post-Covid_eras_/12938722
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资源简介：
Changes in articles per issue before and after January 31, 2020, the boundary between the defined pre- and post-Covid eras.
创建时间：
2020-09-10
