PubMed:32096367 / 3604-3611
Annnotations
LitCovid-PAS-Enju
{"project":"LitCovid-PAS-Enju","denotations":[{"id":"EnjuParser_T493","span":{"begin":0,"end":7},"obj":"JJ"}],"text":"unclear"}
LitCovid-TimeML
{"project":"LitCovid-TimeML","denotations":[{"id":"tok545","span":{"begin":0,"end":7},"obj":"JJ"}],"text":"unclear"}