PubMed:31992543 / 16-24
Annnotations
LitCovid-PAS-Enju
{"project":"LitCovid-PAS-Enju","denotations":[{"id":"EnjuParser_T2","span":{"begin":0,"end":8},"obj":"NN"}],"text":"outbreak"}
LitCovid-TimeML
{"project":"LitCovid-TimeML","denotations":[{"id":"tok3","span":{"begin":0,"end":8},"obj":"NN"}],"text":"outbreak"}