PMC:7335494 / 23508-23519 JSONTXT

{"project":"LitCovid-PMC-OGER-BB","denotations":[{"id":"T1264","span":{"begin":0,"end":1},"obj":"UBERON:0002107"},{"id":"T1267","span":{"begin":5,"end":6},"obj":"GO:0065007"}],"text":"riod of ≥6 "}