PubMed:32164400 / 1253-1263
Annnotations
LitCovid-PAS-Enju
{"project":"LitCovid-PAS-Enju","denotations":[{"id":"EnjuParser_T227","span":{"begin":0,"end":10},"obj":"NN"}],"text":"proportion"}
LitCovid-TimeML
{"project":"LitCovid-TimeML","denotations":[{"id":"tok285","span":{"begin":0,"end":10},"obj":"NN"}],"text":"proportion"}