PubMed:31967321 / 169-176
Annnotations
LitCovid-PAS-Enju
{"project":"LitCovid-PAS-Enju","denotations":[{"id":"EnjuParser_T22","span":{"begin":1,"end":3},"obj":"IN"}],"text":" of vir"}
LitCovid-TimeML
{"project":"LitCovid-TimeML","denotations":[{"id":"tok24","span":{"begin":1,"end":3},"obj":"IN"}],"text":" of vir"}