PubMed:32062875 / 1081-1083
Annnotations
LitCovid-PAS-Enju
{"project":"LitCovid-PAS-Enju","denotations":[{"id":"EnjuParser_T182","span":{"begin":0,"end":2},"obj":"DT"}],"text":"No"}
LitCovid-TimeML
{"project":"LitCovid-TimeML","denotations":[{"id":"tok199","span":{"begin":0,"end":2},"obj":"DT"}],"text":"No"}