PubMed:31996494 / 365-373
Annnotations
LitCovid-PAS-Enju
{"project":"LitCovid-PAS-Enju","denotations":[{"id":"EnjuParser_T68","span":{"begin":0,"end":8},"obj":"JJ"}],"text":"possible"}
LitCovid-TimeML
{"project":"LitCovid-TimeML","denotations":[{"id":"tok79","span":{"begin":0,"end":8},"obj":"JJ"}],"text":"possible"}