PMC:7291971 / 60186-60188 JSONTXT

{"project":"LitCovid-PMC-OGER-BB","denotations":[{"id":"T1208","span":{"begin":0,"end":2},"obj":"CHEBI:75508;CHEBI:75508"},{"id":"T43724","span":{"begin":0,"end":2},"obj":"CHEBI:75508;CHEBI:75508"}],"text":"5′"}