PMC:7417187 / 4455-4502 JSONTXT

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    LitCovid-PMC-OGER-BB

    {"project":"LitCovid-PMC-OGER-BB","denotations":[{"id":"T41","span":{"begin":1,"end":12},"obj":"CL:1001451"},{"id":"T42","span":{"begin":13,"end":20},"obj":"CL:0002559"},{"id":"T47035","span":{"begin":1,"end":12},"obj":"CL:1001451"},{"id":"T16702","span":{"begin":13,"end":20},"obj":"CL:0002559"}],"text":" health care workers (HCWs) is further strainin"}