PubMed:32164400 / 871-875
Annnotations
LitCovid-PAS-Enju
{"project":"LitCovid-PAS-Enju","denotations":[{"id":"EnjuParser_T151","span":{"begin":0,"end":4},"obj":"JJ"}],"text":"main"}
LitCovid-TimeML
{"project":"LitCovid-TimeML","denotations":[{"id":"tok182","span":{"begin":0,"end":4},"obj":"JJ"}],"text":"main"}