PubMed:32134681 / 1157-1162
Annnotations
LitCovid-PAS-Enju
{"project":"LitCovid-PAS-Enju","denotations":[{"id":"EnjuParser_T191","span":{"begin":0,"end":5},"obj":"NN"}],"text":"level"}
LitCovid-TimeML
{"project":"LitCovid-TimeML","denotations":[{"id":"tok219","span":{"begin":0,"end":5},"obj":"NN"}],"text":"level"}