PubMed:32172226 / 33-42
Annnotations
LitCovid-PAS-Enju
{"project":"LitCovid-PAS-Enju","denotations":[{"id":"EnjuParser_T5","span":{"begin":6,"end":8},"obj":"IN"}],"text":"ation of "}
LitCovid-TimeML
{"project":"LitCovid-TimeML","denotations":[{"id":"tok6","span":{"begin":6,"end":8},"obj":"IN"}],"text":"ation of "}