PMC:7004396 / 1174-1224 JSONTXT

{"project":"LitCovid-PD-CLO","denotations":[{"id":"T9","span":{"begin":14,"end":15},"obj":"http://purl.obolibrary.org/obo/CLO_0001020"}],"text":"tary declared a U.S. public health emergency to re"}