PubMed:32171193 / 9-15
Annnotations
LitCovid-PAS-Enju
{"project":"LitCovid-PAS-Enju","denotations":[{"id":"EnjuParser_T1","span":{"begin":1,"end":3},"obj":"IN"}],"text":" of pr"}
LitCovid-TimeML
{"project":"LitCovid-TimeML","denotations":[{"id":"tok2","span":{"begin":1,"end":3},"obj":"IN"}],"text":" of pr"}