PubMed:32049687 / 146-158
Annnotations
LitCovid-PAS-Enju
{"project":"LitCovid-PAS-Enju","denotations":[{"id":"EnjuParser_T26","span":{"begin":0,"end":12},"obj":"JJ"}],"text":"unidentified"}
LitCovid-TimeML
{"project":"LitCovid-TimeML","denotations":[{"id":"tok30","span":{"begin":0,"end":12},"obj":"JJ"}],"text":"unidentified"}