PMC:7205724 / 1076-1102 JSONTXT

{"project":"LitCovid-sample-Enju","denotations":[{"id":"T164","span":{"begin":7,"end":11},"obj":"VBP"},{"id":"T165","span":{"begin":12,"end":16},"obj":"IN"},{"id":"T166","span":{"begin":17,"end":20},"obj":"DT"},{"id":"T167","span":{"begin":21,"end":24},"obj":"NN"}],"relations":[{"id":"R158","pred":"arg1Of","subj":"T167","obj":"T166"}],"text":"tudies show that the use o"}