PMC:7205724 / 273-281
Annnotations
LitCovid-sample-Enju
{"project":"LitCovid-sample-Enju","denotations":[{"id":"T38","span":{"begin":0,"end":3},"obj":"DT"},{"id":"T39","span":{"begin":4,"end":7},"obj":"NN"}],"relations":[{"id":"R34","pred":"arg1Of","subj":"T39","obj":"T38"}],"text":"The use "}