PubMed:32167166 / 1056-1063
Annnotations
LitCovid-PAS-Enju
{"project":"LitCovid-PAS-Enju","denotations":[{"id":"EnjuParser_T175","span":{"begin":0,"end":7},"obj":"JJ"}],"text":"present"}
LitCovid-TimeML
{"project":"LitCovid-TimeML","denotations":[{"id":"tok197","span":{"begin":0,"end":7},"obj":"JJ"}],"text":"present"}