PubMed:32176772 / 205-212
Annnotations
LitCovid-PAS-Enju
{"project":"LitCovid-PAS-Enju","denotations":[{"id":"EnjuParser_T35","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"}