PubMed:31991628 / 9-16
Annnotations
LitCovid-PAS-Enju
{"project":"LitCovid-PAS-Enju","denotations":[{"id":"EnjuParser_T2","span":{"begin":2,"end":4},"obj":"IN"}],"text":"t of Tr"}
LitCovid-TimeML
{"project":"LitCovid-TimeML","denotations":[{"id":"tok3","span":{"begin":2,"end":4},"obj":"IN"}],"text":"t of Tr"}