PMC:7253482 / 1903-1909 JSONTXT

{"project":"LitCovid-sample-Enju","denotations":[{"id":"T288","span":{"begin":0,"end":5},"obj":"NNS"},{"id":"T289","span":{"begin":5,"end":6},"obj":"-COMMA-"}],"relations":[{"id":"R284","pred":"arg1Of","subj":"T288","obj":"T289"}],"text":"rates,"}