PubMed:32141570 / 960-970
Annnotations
LitCovid-PAS-Enju
{"project":"LitCovid-PAS-Enju","denotations":[{"id":"EnjuParser_T146","span":{"begin":0,"end":10},"obj":"NN"}],"text":"prevalence"}
LitCovid-TimeML
{"project":"LitCovid-TimeML","denotations":[{"id":"tok157","span":{"begin":0,"end":10},"obj":"NN"}],"text":"prevalence"}