PubMed:32094589 / 287-292
Annnotations
LitCovid-PAS-Enju
{"project":"LitCovid-PAS-Enju","denotations":[{"id":"EnjuParser_T44","span":{"begin":0,"end":5},"obj":"RB"}],"text":"first"}
LitCovid-TimeML
{"project":"LitCovid-TimeML","denotations":[{"id":"tok49","span":{"begin":0,"end":5},"obj":"RB"},{"id":"lookup3","span":{"begin":0,"end":5},"obj":"date"}],"text":"first"}