PubMed:31992388 / 223-231
Annnotations
LitCovid-PAS-Enju
{"project":"LitCovid-PAS-Enju","denotations":[{"id":"EnjuParser_T33","span":{"begin":0,"end":8},"obj":"RB"}],"text":"recently"}
LitCovid-TimeML
{"project":"LitCovid-TimeML","denotations":[{"id":"tok37","span":{"begin":0,"end":8},"obj":"RB"}],"text":"recently"}