PubMed:32052373 / 370-377
Annnotations
LitCovid-PAS-Enju
{"project":"LitCovid-PAS-Enju","denotations":[{"id":"EnjuParser_T51","span":{"begin":0,"end":7},"obj":"NNS"}],"text":"spreads"}
LitCovid-TimeML
{"project":"LitCovid-TimeML","denotations":[{"id":"tok64","span":{"begin":0,"end":7},"obj":"NNS"}],"text":"spreads"}