PMC:7344504 / 4899-4955 JSONTXT

{"project":"LitCovid-PD-CLO","denotations":[{"id":"T34","span":{"begin":34,"end":35},"obj":"http://purl.obolibrary.org/obo/CLO_0001020"}],"text":"hing mask. Empirical treatment of a suspected bacterial "}