PMC:7396557 / 99177-99185 JSONTXT

{"project":"LitCovid-PMC-OGER-BB","denotations":[{"id":"T1087","span":{"begin":0,"end":8},"obj":"CHEBI:16995;CHEBI:16995"},{"id":"T50391","span":{"begin":0,"end":8},"obj":"CHEBI:16995;CHEBI:16995"}],"text":"trioxide"}