PubMed:32176808 / 1511-1520
Annnotations
LitCovid-PAS-Enju
{"project":"LitCovid-PAS-Enju","denotations":[{"id":"EnjuParser_T244","span":{"begin":0,"end":9},"obj":"JJ"}],"text":"prolonged"}
LitCovid-TimeML
{"project":"LitCovid-TimeML","denotations":[{"id":"tok268","span":{"begin":0,"end":9},"obj":"JJ"}],"text":"prolonged"}