PubMed:32061200 / 1004-1009
Annnotations
LitCovid-PAS-Enju
{"project":"LitCovid-PAS-Enju","denotations":[{"id":"EnjuParser_T174","span":{"begin":0,"end":5},"obj":"IN"}],"text":"After"}
LitCovid-TimeML
{"project":"LitCovid-TimeML","denotations":[{"id":"tok190","span":{"begin":0,"end":5},"obj":"IN"}],"text":"After"}