PubMed:32167524 / 2648-2653
Annnotations
LitCovid-PAS-Enju
{"project":"LitCovid-PAS-Enju","denotations":[{"id":"EnjuParser_T290","span":{"begin":0,"end":5},"obj":"JJR"}],"text":"Older"}
LitCovid-TimeML
{"project":"LitCovid-TimeML","denotations":[{"id":"tok714","span":{"begin":0,"end":5},"obj":"JJR"}],"text":"Older"}