PubMed:32150360 / 2271-2277
Annnotations
LitCovid-PAS-Enju
{"project":"LitCovid-PAS-Enju","denotations":[{"id":"EnjuParser_T387","span":{"begin":0,"end":6},"obj":"NNP"}],"text":"United"}
LitCovid-TimeML
{"project":"LitCovid-TimeML","denotations":[{"id":"tok422","span":{"begin":0,"end":6},"obj":"NNP"}],"text":"United"}