PMC:7560789 / 4754-4764 JSONTXT

{"project":"LitCovid-PD-CLO","denotations":[{"id":"T40","span":{"begin":4,"end":6},"obj":"http://purl.obolibrary.org/obo/CLO_0050510"},{"id":"T41","span":{"begin":7,"end":9},"obj":"http://purl.obolibrary.org/obo/CLO_0050509"}],"text":"23 [18–27]"}