PubMed:32052373 / 538-546
Annnotations
LitCovid-PAS-Enju
{"project":"LitCovid-PAS-Enju","denotations":[{"id":"EnjuParser_T76","span":{"begin":0,"end":8},"obj":"JJ"}],"text":"critical"}
LitCovid-TimeML
{"project":"LitCovid-TimeML","denotations":[{"id":"tok92","span":{"begin":0,"end":8},"obj":"JJ"}],"text":"critical"}