PubMed:32027573 / 2070-2072
Annnotations
LitCovid-PAS-Enju
{"project":"LitCovid-PAS-Enju","denotations":[{"id":"EnjuParser_T409","span":{"begin":0,"end":2},"obj":"IN"}],"text":"of"}
LitCovid-TimeML
{"project":"LitCovid-TimeML","denotations":[{"id":"tok444","span":{"begin":0,"end":2},"obj":"IN"}],"text":"of"}