PubMed:32022276 / 200-209
Annnotations
LitCovid-PAS-Enju
{"project":"LitCovid-PAS-Enju","denotations":[{"id":"EnjuParser_T31","span":{"begin":0,"end":9},"obj":"NNS"}],"text":"thousands"}
LitCovid-TimeML
{"project":"LitCovid-TimeML","denotations":[{"id":"tok37","span":{"begin":0,"end":9},"obj":"NNS"}],"text":"thousands"}