PubMed:32164400 / 1421-1426
Annnotations
LitCovid-PAS-Enju
{"project":"LitCovid-PAS-Enju","denotations":[{"id":"EnjuParser_T253","span":{"begin":0,"end":5},"obj":"JJ"}],"text":"close"}
LitCovid-TimeML
{"project":"LitCovid-TimeML","denotations":[{"id":"tok314","span":{"begin":0,"end":5},"obj":"JJ"}],"text":"close"}