PubMed:31994742 / 1447-1452
Annnotations
LitCovid-PAS-Enju
{"project":"LitCovid-PAS-Enju","denotations":[{"id":"EnjuParser_T271","span":{"begin":0,"end":5},"obj":"RB"}],"text":"still"}
LitCovid-TimeML
{"project":"LitCovid-TimeML","denotations":[{"id":"tok325","span":{"begin":0,"end":5},"obj":"RB"}],"text":"still"}