PubMed:32108351 / 391-398
Annnotations
LitCovid-PAS-Enju
{"project":"LitCovid-PAS-Enju","denotations":[{"id":"EnjuParser_T57","span":{"begin":0,"end":7},"obj":"JJ"}],"text":"Several"}
LitCovid-TimeML
{"project":"LitCovid-TimeML","denotations":[{"id":"tok68","span":{"begin":0,"end":7},"obj":"JJ"}],"text":"Several"}