PubMed:32031570 / 2662-2665
Annnotations
LitCovid-PAS-Enju
{"project":"LitCovid-PAS-Enju","denotations":[{"id":"EnjuParser_T516","span":{"begin":0,"end":3},"obj":"NN"}],"text":"age"}
LitCovid-TimeML
{"project":"LitCovid-TimeML","denotations":[{"id":"tok608","span":{"begin":0,"end":3},"obj":"NN"}],"text":"age"}