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PMC:7781502 / 3461-3858 JSONTXT

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LitCovid-PubTator

Id Subject Object Predicate Lexical cue tao:has_database_id
63 181-189 Disease denotes COVID-19 MESH:C000657245

LitCovid-sentences

Id Subject Object Predicate Lexical cue
T31 0-102 Sentence denotes We ranked countries based on the number of articles with at least one author coming from each country.
T32 103-287 Sentence denotes We confronted the ranking of countries with the highest number of articles on COVID-19 with SCImago ranking of countries with the highest medical researchers' productivity in 2019 [3].
T33 288-397 Sentence denotes Moreover, we conducted the Spearman rank correlation test between the number of articles in each country and: