PubMed:32167166 / 812-821
Annnotations
LitCovid-PAS-Enju
{"project":"LitCovid-PAS-Enju","denotations":[{"id":"EnjuParser_T136","span":{"begin":0,"end":9},"obj":"NN"}],"text":"virulence"}
LitCovid-TimeML
{"project":"LitCovid-TimeML","denotations":[{"id":"tok155","span":{"begin":0,"end":9},"obj":"NN"}],"text":"virulence"}