PMC:7219429 / 3662-3802 JSONTXT

{"project":"LitCovid-PD-CHEBI","denotations":[{"id":"T53","span":{"begin":12,"end":17},"obj":"Chemical"},{"id":"T54","span":{"begin":28,"end":37},"obj":"Chemical"}],"attributes":[{"id":"A53","pred":"chebi_id","subj":"T53","obj":"http://purl.obolibrary.org/obo/CHEBI_23888"},{"id":"A54","pred":"chebi_id","subj":"T54","obj":"http://purl.obolibrary.org/obo/CHEBI_22587"}],"text":"epositioned drugs and their antiviral mechanism of action, particularly in combination, remains mostly unclear. In vitro studies have shown "}