PubMed:32061066 / 1516-1520
Annnotations
LitCovid-PAS-Enju
{"project":"LitCovid-PAS-Enju","denotations":[{"id":"EnjuParser_T301","span":{"begin":0,"end":4},"obj":"VBD"}],"text":"were"}
LitCovid-TimeML
{"project":"LitCovid-TimeML","denotations":[{"id":"tok343","span":{"begin":0,"end":4},"obj":"VBD"}],"text":"were"}