PMC:7058650 / 274-374 JSONTXT

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    LitCovid-PD-CLO

    {"project":"LitCovid-PD-CLO","denotations":[{"id":"T2","span":{"begin":4,"end":6},"obj":"http://purl.obolibrary.org/obo/CLO_0050509"},{"id":"T3","span":{"begin":60,"end":69},"obj":"http://purl.obolibrary.org/obo/BFO_0000030"}],"text":" in 27 countries and territories as of 5 February 2020. The objective of this study was to estimate "}