PubMed:31992388 / 334-340
Annnotations
LitCovid-PAS-Enju
{"project":"LitCovid-PAS-Enju","denotations":[{"id":"EnjuParser_T50","span":{"begin":0,"end":6},"obj":"JJ"}],"text":"recent"}
LitCovid-TimeML
{"project":"LitCovid-TimeML","denotations":[{"id":"tok55","span":{"begin":0,"end":6},"obj":"JJ"}],"text":"recent"}