PMC:7435837 / 1236-1371 JSONTXT

{"project":"LitCovid-PD-CHEBI","denotations":[{"id":"T9","span":{"begin":12,"end":21},"obj":"Chemical"}],"attributes":[{"id":"A9","pred":"chebi_id","subj":"T9","obj":"http://purl.obolibrary.org/obo/CHEBI_25367"}],"text":"since these molecules are primarily of biological origin and can be modified by minimal synthetic approaches. They are biocompatible as"}