PMC:7253482 / 127-139 JSONTXT

{"project":"LitCovid-sample-Enju","denotations":[{"id":"T15","span":{"begin":0,"end":1},"obj":"-RRB-"},{"id":"T16","span":{"begin":2,"end":5},"obj":"CC"},{"id":"T17","span":{"begin":6,"end":12},"obj":"NNP"}],"text":") and Middle"}