PubMed:32147628 / 114-118
Annnotations
LitCovid-PAS-Enju
{"project":"LitCovid-PAS-Enju","denotations":[{"id":"EnjuParser_T18","span":{"begin":0,"end":4},"obj":"RB"}],"text":"then"}
LitCovid-TimeML
{"project":"LitCovid-TimeML","denotations":[{"id":"tok22","span":{"begin":0,"end":4},"obj":"RB"}],"text":"then"}