PMC:7205724 / 263-280 JSONTXT

{"project":"LitCovid-sample-Enju","denotations":[{"id":"T37","span":{"begin":7,"end":8},"obj":"PDT"},{"id":"T38","span":{"begin":10,"end":13},"obj":"DT"},{"id":"T39","span":{"begin":14,"end":17},"obj":"NN"}],"relations":[{"id":"R33","pred":"arg1Of","subj":"T39","obj":"T37"},{"id":"R34","pred":"arg1Of","subj":"T39","obj":"T38"}],"text":"comes.\n• The use"}