PMC:7291971 / 61257-61259
Annnotations
LitCovid-PMC-OGER-BB
{"project":"LitCovid-PMC-OGER-BB","denotations":[{"id":"T1235","span":{"begin":0,"end":2},"obj":"CHEBI:86228;CHEBI:86228"},{"id":"T78529","span":{"begin":0,"end":2},"obj":"CHEBI:86228;CHEBI:86228"}],"text":"2-"}