PMC:7454258 / 303-435 JSONTXT

{"project":"LitCovid-PD-CHEBI","denotations":[{"id":"T1","span":{"begin":13,"end":17},"obj":"Chemical"}],"attributes":[{"id":"A1","pred":"chebi_id","subj":"T1","obj":"http://purl.obolibrary.org/obo/CHEBI_22695"}],"text":"the evidence base needed to address these multiple national challenges. However, the relevant characteristics of such an effort have"}