PMC:7253482 / 659-672 JSONTXT

{"project":"LitCovid-sample-Enju","denotations":[{"id":"T100","span":{"begin":0,"end":6},"obj":"JJ"},{"id":"T101","span":{"begin":7,"end":9},"obj":"IN"}],"relations":[{"id":"R98","pred":"arg1Of","subj":"T100","obj":"T101"}],"text":"absent on SAR"}