PubMed:31967327 / 97-102
Annnotations
LitCovid-PAS-Enju
{"project":"LitCovid-PAS-Enju","denotations":[{"id":"EnjuParser_T14","span":{"begin":0,"end":1},"obj":"DT"}],"text":"a nov"}
LitCovid-TimeML
{"project":"LitCovid-TimeML","denotations":[{"id":"tok16","span":{"begin":0,"end":1},"obj":"DT"}],"text":"a nov"}