PMC:7253482 / 157-168 JSONTXT

{"project":"LitCovid-sample-Enju","denotations":[{"id":"T20","span":{"begin":0,"end":8},"obj":"NN"},{"id":"T21","span":{"begin":9,"end":10},"obj":"-LRB-"}],"relations":[{"id":"R18","pred":"arg1Of","subj":"T20","obj":"T21"}],"text":"syndrome (M"}