PubMed:32176772 / 1581-1590
Annnotations
LitCovid-PAS-Enju
{"project":"LitCovid-PAS-Enju","denotations":[{"id":"EnjuParser_T325","span":{"begin":0,"end":9},"obj":"NN"}],"text":"mortality"}
LitCovid-TimeML
{"project":"LitCovid-TimeML","denotations":[{"id":"tok375","span":{"begin":0,"end":9},"obj":"NN"}],"text":"mortality"}