PubMed:32031570 / 2447-2452
Annnotations
LitCovid-PAS-Enju
{"project":"LitCovid-PAS-Enju","denotations":[{"id":"EnjuParser_T470","span":{"begin":0,"end":5},"obj":"JJ"}],"text":"first"}
LitCovid-TimeML
{"project":"LitCovid-TimeML","denotations":[{"id":"tok551","span":{"begin":0,"end":5},"obj":"JJ"},{"id":"lookup62","span":{"begin":0,"end":5},"obj":"date"}],"text":"first"}