PMC:7234792 / 33-41 JSONTXT

{"project":"LitCovid-PD-CLO","denotations":[{"id":"T1","span":{"begin":0,"end":1},"obj":"http://purl.obolibrary.org/obo/CLO_0001020"},{"id":"T2","span":{"begin":2,"end":4},"obj":"http://purl.obolibrary.org/obo/CLO_0001302"}],"text":"a 34-yea"}