PubMed:32027573 / 1703-1710
Annnotations
LitCovid-PAS-Enju
{"project":"LitCovid-PAS-Enju","denotations":[{"id":"EnjuParser_T341","span":{"begin":0,"end":7},"obj":"JJR"}],"text":"younger"}
LitCovid-TimeML
{"project":"LitCovid-TimeML","denotations":[{"id":"tok370","span":{"begin":0,"end":7},"obj":"JJR"}],"text":"younger"}