PMC:7205724 / 4234-4243 JSONTXT

{"project":"LitCovid-sample-Enju","denotations":[{"id":"T682","span":{"begin":1,"end":2},"obj":"-RRB-"},{"id":"T683","span":{"begin":3,"end":5},"obj":"IN"},{"id":"T684","span":{"begin":6,"end":9},"obj":"DT"}],"text":"s) at the"}