PMC:7253482 / 294-307 JSONTXT

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    LitCovid-sample-Enju

    {"project":"LitCovid-sample-Enju","denotations":[{"id":"T41","span":{"begin":0,"end":2},"obj":"IN"},{"id":"T42","span":{"begin":3,"end":6},"obj":"DT"}],"text":"on the princi"}