PubMed:32150360 / 3450-3455
Annnotations
LitCovid-PAS-Enju
{"project":"LitCovid-PAS-Enju","denotations":[{"id":"EnjuParser_T589","span":{"begin":0,"end":5},"obj":"NN"}],"text":"level"}
LitCovid-TimeML
{"project":"LitCovid-TimeML","denotations":[{"id":"tok648","span":{"begin":0,"end":5},"obj":"NN"}],"text":"level"}