PMC:7534043 / 3805-3878 JSONTXT

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    LitCovid-PD-CLO

    {"project":"LitCovid-PD-CLO","denotations":[{"id":"T13","span":{"begin":25,"end":26},"obj":"http://purl.obolibrary.org/obo/CLO_0001020"}],"text":" per day was included as a dependent variable, and health resources, GDP "}