PubMed:32141570 / 25-33
Annnotations
LitCovid-PAS-Enju
{"project":"LitCovid-PAS-Enju","denotations":[{"id":"EnjuParser_T3","span":{"begin":2,"end":3},"obj":"-COLON-"}],"text":"oV: prev"}
LitCovid-TimeML
{"project":"LitCovid-TimeML","denotations":[{"id":"tok6","span":{"begin":2,"end":3},"obj":":"}],"text":"oV: prev"}