PubMed:31967327 / 339-344
Annnotations
LitCovid-PAS-Enju
{"project":"LitCovid-PAS-Enju","denotations":[{"id":"EnjuParser_T60","span":{"begin":0,"end":5},"obj":"JJ"}],"text":"brief"}
LitCovid-TimeML
{"project":"LitCovid-TimeML","denotations":[{"id":"tok65","span":{"begin":0,"end":5},"obj":"JJ"}],"text":"brief"}