PubMed:32150360 / 3834-3838
Annnotations
LitCovid-PAS-Enju
{"project":"LitCovid-PAS-Enju","denotations":[{"id":"EnjuParser_T651","span":{"begin":0,"end":4},"obj":"NN"}],"text":"time"}
LitCovid-TimeML
{"project":"LitCovid-TimeML","denotations":[{"id":"tok715","span":{"begin":0,"end":4},"obj":"NN"}],"text":"time"}