PubMed:32062957 / 2523-2528
Annnotations
LitCovid-PAS-Enju
{"project":"LitCovid-PAS-Enju","denotations":[{"id":"EnjuParser_T170","span":{"begin":0,"end":5},"obj":"NN"}],"text":"level"}
LitCovid-TimeML
{"project":"LitCovid-TimeML","denotations":[{"id":"tok570","span":{"begin":0,"end":5},"obj":"NN"}],"text":"level"}