PubMed:31995857 / 1630-1639
Annnotations
LitCovid-PAS-Enju
{"project":"LitCovid-PAS-Enju","denotations":[{"id":"EnjuParser_T294","span":{"begin":0,"end":9},"obj":"NNS"}],"text":"outbreaks"}
LitCovid-TimeML
{"project":"LitCovid-TimeML","denotations":[{"id":"tok332","span":{"begin":0,"end":9},"obj":"NNS"}],"text":"outbreaks"}