PMC:7291971 / 49554-49559
Annnotations
LitCovid-PMC-OGER-BB
{"project":"LitCovid-PMC-OGER-BB","denotations":[{"id":"T1018","span":{"begin":0,"end":5},"obj":"CHEBI:35589;CHEBI:35589"},{"id":"T88656","span":{"begin":0,"end":5},"obj":"CHEBI:35589;CHEBI:35589"}],"text":"purin"}