PMC:7271924 / 20243-20265
Annnotations
LitCovid-PMC-OGER-BB
{"project":"LitCovid-PMC-OGER-BB","denotations":[{"id":"T368","span":{"begin":0,"end":22},"obj":"SP_7"},{"id":"T31522","span":{"begin":0,"end":22},"obj":"SP_7"}],"text":"syndrome coronavirus 2"}