PubMed:32061198 / 12-15
Annnotations
LitCovid-PAS-Enju
{"project":"LitCovid-PAS-Enju","denotations":[{"id":"EnjuParser_T2","span":{"begin":0,"end":2},"obj":"IN"}],"text":"of "}
LitCovid-TimeML
{"project":"LitCovid-TimeML","denotations":[{"id":"tok3","span":{"begin":0,"end":2},"obj":"IN"}],"text":"of "}