PMC:7205724 / 4500-4511 JSONTXT

{"project":"LitCovid-sample-Enju","denotations":[{"id":"T733","span":{"begin":0,"end":1},"obj":"CD"},{"id":"T734","span":{"begin":1,"end":2},"obj":"-RRB-"},{"id":"T735","span":{"begin":4,"end":9},"obj":"IN"}],"text":"3]. After t"}