PMC:7212949 / 4040-4045 JSONTXT

{"project":"LitCovid-PMC-OGER-BB","denotations":[{"id":"T1105","span":{"begin":0,"end":1},"obj":"SP_10"},{"id":"T1106","span":{"begin":1,"end":2},"obj":"SP_10"},{"id":"T1108","span":{"begin":2,"end":3},"obj":"SP_10"}],"text":"study"}