PMC:7080117 / 2943-3037 JSONTXT

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    LitCovid-PD-CLO

    {"project":"LitCovid-PD-CLO","denotations":[{"id":"T20","span":{"begin":61,"end":62},"obj":"http://purl.obolibrary.org/obo/CLO_0001020"}],"text":"s. On December 30, 2019, WHO announced the event constituted a Public Health Emergency of Inte"}