PubMed:32167524 / 2791-2794
Annnotations
LitCovid-PAS-Enju
{"project":"LitCovid-PAS-Enju","denotations":[{"id":"EnjuParser_T313","span":{"begin":0,"end":3},"obj":"VBD"}],"text":"was"}
LitCovid-TimeML
{"project":"LitCovid-TimeML","denotations":[{"id":"tok738","span":{"begin":0,"end":3},"obj":"VBD"}],"text":"was"}