PubMed:32154135 / 250-256
Annnotations
LitCovid-PAS-Enju
{"project":"LitCovid-PAS-Enju","denotations":[{"id":"EnjuParser_T41","span":{"begin":0,"end":6},"obj":"NN"}],"text":"number"}
LitCovid-TimeML
{"project":"LitCovid-TimeML","denotations":[{"id":"tok48","span":{"begin":0,"end":6},"obj":"NN"}],"text":"number"}