PMC:7291971 / 4506-4514 JSONTXT

{"project":"LitCovid-PD-CLO","denotations":[{"id":"T35","span":{"begin":3,"end":6},"obj":"http://purl.obolibrary.org/obo/CLO_0001562"},{"id":"T36","span":{"begin":3,"end":6},"obj":"http://purl.obolibrary.org/obo/CLO_0001563"}],"text":"by a 2′-"}