PMC:7291971 / 2002-2021 JSONTXT

{"project":"LitCovid-PMC-OGER-BB","denotations":[{"id":"T34","span":{"begin":2,"end":7},"obj":"NCBITaxon:10239"},{"id":"T37577","span":{"begin":2,"end":7},"obj":"NCBITaxon:10239"}],"text":"t viral 2′-O-methyl"}