PubMed:32134681 / 632-633
Annnotations
LitCovid-PAS-Enju
{"project":"LitCovid-PAS-Enju","denotations":[{"id":"EnjuParser_T98","span":{"begin":0,"end":1},"obj":"NNP"}],"text":"U"}
LitCovid-TimeML
{"project":"LitCovid-TimeML","denotations":[{"id":"tok110","span":{"begin":0,"end":1},"obj":"NNP"}],"text":"U"}