PMC:7291971 / 79253-79255 JSONTXT

{"project":"LitCovid-PMC-OGER-BB","denotations":[{"id":"T1577","span":{"begin":0,"end":2},"obj":"CHEBI:30756;CHEBI:30756"},{"id":"T64879","span":{"begin":0,"end":2},"obj":"CHEBI:30756;CHEBI:30756"}],"text":"9H"}