PubMed:32118389 / 1960-1964
Annnotations
LitCovid-PAS-Enju
{"project":"LitCovid-PAS-Enju","denotations":[{"id":"EnjuParser_T402","span":{"begin":0,"end":4},"obj":"NN"}],"text":"rate"}
LitCovid-TimeML
{"project":"LitCovid-TimeML","denotations":[{"id":"tok437","span":{"begin":0,"end":4},"obj":"NN"}],"text":"rate"}