PubMed:32176772 / 1240-1245
Annnotations
LitCovid-PAS-Enju
{"project":"LitCovid-PAS-Enju","denotations":[{"id":"EnjuParser_T268","span":{"begin":0,"end":5},"obj":"JJR"}],"text":"older"}
LitCovid-TimeML
{"project":"LitCovid-TimeML","denotations":[{"id":"tok313","span":{"begin":0,"end":5},"obj":"JJR"}],"text":"older"}