PMC:7394275 / 10544-10552 JSONTXT

{"project":"LitCovid-PMC-OGER-BB","denotations":[{"id":"T169","span":{"begin":4,"end":8},"obj":"BV_4"},{"id":"T23730","span":{"begin":4,"end":8},"obj":"BV_4"}],"text":" or BALF"}