PubMed:32133152 / 490-500
Annnotations
LitCovid-PAS-Enju
{"project":"LitCovid-PAS-Enju","denotations":[{"id":"EnjuParser_T79","span":{"begin":0,"end":10},"obj":"NN"}],"text":"estimation"}
LitCovid-TimeML
{"project":"LitCovid-TimeML","denotations":[{"id":"tok90","span":{"begin":0,"end":10},"obj":"NN"}],"text":"estimation"}