PubMed:32077659 / 1371-1376
Annnotations
LitCovid-PAS-Enju
{"project":"LitCovid-PAS-Enju","denotations":[{"id":"EnjuParser_T215","span":{"begin":0,"end":5},"obj":"JJ"}],"text":"first"}
LitCovid-TimeML
{"project":"LitCovid-TimeML","denotations":[{"id":"tok229","span":{"begin":0,"end":5},"obj":"JJ"},{"id":"lookup21","span":{"begin":0,"end":5},"obj":"date"}],"text":"first"}