PMC:7291971 / 9478-9481 JSONTXT

{"project":"LitCovid-PD-CLO","denotations":[{"id":"T67","span":{"begin":0,"end":3},"obj":"http://purl.obolibrary.org/obo/CLO_0001562"},{"id":"T68","span":{"begin":0,"end":3},"obj":"http://purl.obolibrary.org/obo/CLO_0001563"}],"text":"a 2"}