PMC:7291971 / 42269-42272 JSONTXT

{"project":"LitCovid-PMC-OGER-BB","denotations":[{"id":"T871","span":{"begin":0,"end":3},"obj":"CHEBI:52029;CHEBI:52029"},{"id":"T70619","span":{"begin":0,"end":3},"obj":"CHEBI:52029;CHEBI:52029"}],"text":"1,3"}