PMC:7253482 / 232-245 JSONTXT

{"project":"LitCovid-sample-Enju","denotations":[{"id":"T34","span":{"begin":4,"end":9},"obj":"NNS"},{"id":"T35","span":{"begin":10,"end":13},"obj":"CC"}],"relations":[{"id":"R32","pred":"arg1Of","subj":"T34","obj":"T35"}],"text":"ity rates and"}