PMC:7544943 / 5102-5216 JSONTXT

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    LitCovid-PD-CLO

    {"project":"LitCovid-PD-CLO","denotations":[{"id":"T28","span":{"begin":86,"end":89},"obj":"http://purl.obolibrary.org/obo/CLO_0051582"}],"text":"iversity for many years.\nFrom 1940 to 2014, the US Food and Drug Administration (FDA) has approved about 49% of al"}