PMC:7214329 / 1159-1331 JSONTXT

{"project":"LitCovid-PD-CLO","denotations":[{"id":"T4","span":{"begin":13,"end":14},"obj":"http://purl.obolibrary.org/obo/CLO_0001020"}],"text":"3.64%), with a significant difference (P \u003c .05). The positive rates were 25.00% and 37.50% for the general isolation ward and intensive care unit, respectively, and no sign"}