PubMed:32133152 / 744-749
Annnotations
LitCovid-PAS-Enju
{"project":"LitCovid-PAS-Enju","denotations":[{"id":"EnjuParser_T118","span":{"begin":0,"end":5},"obj":"JJ"}],"text":"first"}
LitCovid-TimeML
{"project":"LitCovid-TimeML","denotations":[{"id":"tok130","span":{"begin":0,"end":5},"obj":"JJ"},{"id":"lookup28","span":{"begin":0,"end":5},"obj":"date"}],"text":"first"}