PMC:7199903 / 141-163 JSONTXT

{"project":"LitCovid-sample-Enju","denotations":[{"id":"T18","span":{"begin":0,"end":8},"obj":"NN"},{"id":"T19","span":{"begin":9,"end":20},"obj":"NN"},{"id":"T20","span":{"begin":21,"end":22},"obj":"CD"}],"relations":[{"id":"R16","pred":"arg1Of","subj":"T19","obj":"T18"},{"id":"R17","pred":"arg1Of","subj":"T19","obj":"T20"}],"text":"syndrome coronavirus 2"}