PubMed:32064853 / 1192-1198
Annnotations
LitCovid-PAS-Enju
{"project":"LitCovid-PAS-Enju","denotations":[{"id":"EnjuParser_T229","span":{"begin":0,"end":6},"obj":"VBD"}],"text":"spread"}
LitCovid-TimeML
{"project":"LitCovid-TimeML","denotations":[{"id":"tok261","span":{"begin":0,"end":6},"obj":"NN"}],"text":"spread"}