PubMed:32154135 / 980-985
Annnotations
LitCovid-PAS-Enju
{"project":"LitCovid-PAS-Enju","denotations":[{"id":"EnjuParser_T170","span":{"begin":0,"end":5},"obj":"JJ"}],"text":"first"}
LitCovid-TimeML
{"project":"LitCovid-TimeML","denotations":[{"id":"tok189","span":{"begin":0,"end":5},"obj":"JJ"},{"id":"lookup32","span":{"begin":0,"end":5},"obj":"date"}],"text":"first"}