PMC:7170415 / 7133-7249 JSONTXT

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    LitCovid-PD-CLO

    {"project":"LitCovid-PD-CLO","denotations":[{"id":"T53","span":{"begin":84,"end":89},"obj":"http://purl.obolibrary.org/obo/UBERON_0000473"},{"id":"T54","span":{"begin":98,"end":103},"obj":"http://purl.obolibrary.org/obo/UBERON_0000473"}],"text":"ing effort (20). Using innovative measures, South Korea performed more than 300 000 tests (5828.6 tests per million "}