PubMed:32150360 / 500-508
Annnotations
LitCovid-PAS-Enju
{"project":"LitCovid-PAS-Enju","denotations":[{"id":"EnjuParser_T86","span":{"begin":0,"end":8},"obj":"NN"}],"text":"timeline"}
LitCovid-TimeML
{"project":"LitCovid-TimeML","denotations":[{"id":"tok96","span":{"begin":0,"end":8},"obj":"NN"}],"text":"timeline"}