PubMed:32104911 / 854-858
Annnotations
LitCovid-PAS-Enju
{"project":"LitCovid-PAS-Enju","denotations":[{"id":"EnjuParser_T128","span":{"begin":0,"end":4},"obj":"NN"}],"text":"time"}
LitCovid-TimeML
{"project":"LitCovid-TimeML","denotations":[{"id":"tok136","span":{"begin":0,"end":4},"obj":"NN"}],"text":"time"}