PubMed:32027573 / 1616-1621
Annnotations
LitCovid-PAS-Enju
{"project":"LitCovid-PAS-Enju","denotations":[{"id":"EnjuParser_T325","span":{"begin":0,"end":5},"obj":"JJR"}],"text":"older"}
LitCovid-TimeML
{"project":"LitCovid-TimeML","denotations":[{"id":"tok354","span":{"begin":0,"end":5},"obj":"JJR"}],"text":"older"}