PubMed:32027573 / 367-370
Annnotations
LitCovid-PAS-Enju
{"project":"LitCovid-PAS-Enju","denotations":[{"id":"EnjuParser_T54","span":{"begin":0,"end":3},"obj":"NN"}],"text":"age"}
LitCovid-TimeML
{"project":"LitCovid-TimeML","denotations":[{"id":"tok66","span":{"begin":0,"end":3},"obj":"NN"}],"text":"age"}