PubMed:31994742 / 889-895
Annnotations
LitCovid-PAS-Enju
{"project":"LitCovid-PAS-Enju","denotations":[{"id":"EnjuParser_T159","span":{"begin":0,"end":6},"obj":"JJ"}],"text":"median"}
LitCovid-TimeML
{"project":"LitCovid-TimeML","denotations":[{"id":"tok182","span":{"begin":0,"end":6},"obj":"JJ"}],"text":"median"}