PubMed:32167524 / 786-790
Annnotations
LitCovid-PAS-Enju
{"project":"LitCovid-PAS-Enju","denotations":[{"id":"EnjuParser_T125","span":{"begin":0,"end":4},"obj":"NN"}],"text":"date"}
LitCovid-TimeML
{"project":"LitCovid-TimeML","denotations":[{"id":"tok135","span":{"begin":0,"end":4},"obj":"NN"}],"text":"date"}