PubMed:32026671 / 1328-1330
Annnotations
LitCovid-PAS-Enju
{"project":"LitCovid-PAS-Enju","denotations":[{"id":"EnjuParser_T221","span":{"begin":0,"end":2},"obj":"CC"}],"text":"or"}
LitCovid-TimeML
{"project":"LitCovid-TimeML","denotations":[{"id":"tok238","span":{"begin":0,"end":2},"obj":"CC"}],"text":"or"}