PubMed:32064853 / 622-627
Annnotations
LitCovid-PAS-Enju
{"project":"LitCovid-PAS-Enju","denotations":[{"id":"EnjuParser_T107","span":{"begin":0,"end":5},"obj":"NNS"}],"text":"rates"}
LitCovid-TimeML
{"project":"LitCovid-TimeML","denotations":[{"id":"tok114","span":{"begin":0,"end":5},"obj":"NNS"}],"text":"rates"}