PMC:7283670 / 132767-132875 JSONTXT

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    LitCovid-PD-CLO

    {"project":"LitCovid-PD-CLO","denotations":[{"id":"T234","span":{"begin":18,"end":22},"obj":"http://purl.obolibrary.org/obo/UBERON_0000473"}],"text":"reports of RT‐PCR test performed at least 1 day apart (d). Despite these thoroughly formulated criteria, one"}