PMC:7205724 / 16618-16624 JSONTXT

{"project":"LitCovid-sample-Enju","denotations":[{"id":"T4817","span":{"begin":2,"end":3},"obj":"-LRB-"},{"id":"T18384","span":{"begin":3,"end":5},"obj":"CD"},{"id":"T62562","span":{"begin":5,"end":6},"obj":"-RRB-"}],"relations":[{"id":"R31390","pred":"arg2Of","subj":"T18384","obj":"T4817"},{"id":"R19016","pred":"arg3Of","subj":"T62562","obj":"T4817"}],"text":"r [16]"}