PubMed:32118640 / 1055-1056
Annnotations
LitCovid-PAS-Enju
{"project":"LitCovid-PAS-Enju","denotations":[{"id":"EnjuParser_T161","span":{"begin":0,"end":1},"obj":"NN"}],"text":"U"}
LitCovid-TimeML
{"project":"LitCovid-TimeML","denotations":[{"id":"tok177","span":{"begin":0,"end":1},"obj":"NNP"}],"text":"U"}