PubMed:32172226 / 1257-1261
Annnotations
LitCovid-PAS-Enju
{"project":"LitCovid-PAS-Enju","denotations":[{"id":"EnjuParser_T200","span":{"begin":0,"end":4},"obj":"NN"}],"text":"time"}
LitCovid-TimeML
{"project":"LitCovid-TimeML","denotations":[{"id":"tok225","span":{"begin":0,"end":4},"obj":"NN"}],"text":"time"}