PubMed:31995857 / 1195-1200
Annnotations
LitCovid-PAS-Enju
{"project":"LitCovid-PAS-Enju","denotations":[{"id":"EnjuParser_T211","span":{"begin":0,"end":5},"obj":"JJ"}],"text":"early"}
LitCovid-TimeML
{"project":"LitCovid-TimeML","denotations":[{"id":"tok234","span":{"begin":0,"end":5},"obj":"JJ"}],"text":"early"}