PubMed:32160942 / 210-216
Annnotations
LitCovid-PAS-Enju
{"project":"LitCovid-PAS-Enju","denotations":[{"id":"EnjuParser_T35","span":{"begin":0,"end":6},"obj":"NN"}],"text":"spread"}
LitCovid-TimeML
{"project":"LitCovid-TimeML","denotations":[{"id":"tok39","span":{"begin":0,"end":6},"obj":"NN"}],"text":"spread"}