PMC:6988272 / 1882-1938 JSONTXT

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    LitCovid-PD-CLO

    {"project":"LitCovid-PD-CLO","denotations":[{"id":"T19","span":{"begin":21,"end":23},"obj":"http://purl.obolibrary.org/obo/CLO_0050507"}],"text":"th of Beijing. As of 22 January, there have been 440 con"}