PMC:7463108 / 30251-30271
Annnotations
LitCovid-PD-CHEBI
{"project":"LitCovid-PD-CHEBI","denotations":[{"id":"T234","span":{"begin":11,"end":15},"obj":"Chemical"}],"attributes":[{"id":"A234","pred":"chebi_id","subj":"T234","obj":"http://purl.obolibrary.org/obo/CHEBI_23888"}],"text":"the opioid drug invo"}