PubMed:32176808 / 941-946
Annnotations
LitCovid-PAS-Enju
{"project":"LitCovid-PAS-Enju","denotations":[{"id":"EnjuParser_T156","span":{"begin":0,"end":5},"obj":"NNS"}],"text":"rates"}
LitCovid-TimeML
{"project":"LitCovid-TimeML","denotations":[{"id":"tok176","span":{"begin":0,"end":5},"obj":"NNS"}],"text":"rates"}