PMC:7205724 / 142-153 JSONTXT

{"project":"LitCovid-sample-Enju","denotations":[{"id":"T20","span":{"begin":5,"end":6},"obj":"-COMMA-"},{"id":"T21","span":{"begin":7,"end":10},"obj":"CC"}],"relations":[{"id":"R17","pred":"arg1Of","subj":"T21","obj":"T20"}],"text":"ulins, and "}