PubMed:32171193 / 204-211
Annnotations
LitCovid-PAS-Enju
{"project":"LitCovid-PAS-Enju","denotations":[{"id":"EnjuParser_T31","span":{"begin":0,"end":7},"obj":"JJ"}],"text":"serious"}
LitCovid-TimeML
{"project":"LitCovid-TimeML","denotations":[{"id":"tok38","span":{"begin":0,"end":7},"obj":"JJ"}],"text":"serious"}