PubMed:32064855 / 12-21
Annnotations
LitCovid-PAS-Enju
{"project":"LitCovid-PAS-Enju","denotations":[{"id":"EnjuParser_T3","span":{"begin":1,"end":4},"obj":"DT"}],"text":" the firs"}
LitCovid-TimeML
{"project":"LitCovid-TimeML","denotations":[{"id":"tok4","span":{"begin":1,"end":4},"obj":"DT"}],"text":" the firs"}