PubMed:32062875 / 304-324
Annnotations
LitCovid-PAS-Enju
{"project":"LitCovid-PAS-Enju","denotations":[{"id":"EnjuParser_T45","span":{"begin":0,"end":20},"obj":"JJ"}],"text":"laboratory-confirmed"}
LitCovid-TimeML
{"project":"LitCovid-TimeML","denotations":[{"id":"tok50","span":{"begin":0,"end":20},"obj":"JJ"}],"text":"laboratory-confirmed"}