PubMed:32062875 / 56-61
Annnotations
LitCovid-PAS-Enju
{"project":"LitCovid-PAS-Enju","denotations":[{"id":"EnjuParser_T7","span":{"begin":1,"end":3},"obj":"IN"}],"text":" of 3"}
LitCovid-TimeML
{"project":"LitCovid-TimeML","denotations":[{"id":"tok8","span":{"begin":1,"end":3},"obj":"IN"}],"text":" of 3"}