PubMed:32164424 / 664-668
Annnotations
LitCovid-PAS-Enju
{"project":"LitCovid-PAS-Enju","denotations":[{"id":"EnjuParser_T100","span":{"begin":0,"end":4},"obj":"NN"}],"text":"time"}
LitCovid-TimeML
{"project":"LitCovid-TimeML","denotations":[{"id":"tok114","span":{"begin":0,"end":4},"obj":"NN"}],"text":"time"}