PubMed:32134681 / 377-397
Annnotations
LitCovid-PAS-Enju
{"project":"LitCovid-PAS-Enju","denotations":[{"id":"EnjuParser_T61","span":{"begin":0,"end":20},"obj":"JJ"}],"text":"laboratory-confirmed"}
LitCovid-TimeML
{"project":"LitCovid-TimeML","denotations":[{"id":"tok68","span":{"begin":0,"end":20},"obj":"JJ"}],"text":"laboratory-confirmed"}