PubMed:32027573 / 1530-1536
Annnotations
LitCovid-PAS-Enju
{"project":"LitCovid-PAS-Enju","denotations":[{"id":"EnjuParser_T304","span":{"begin":0,"end":6},"obj":"IN"}],"text":"versus"}
LitCovid-TimeML
{"project":"LitCovid-TimeML","denotations":[{"id":"tok331","span":{"begin":0,"end":6},"obj":"CC"}],"text":"versus"}