
PubMed:32133830 / 57-65
Annnotations
LitCovid-PAS-Enju
{"project":"LitCovid-PAS-Enju","denotations":[{"id":"EnjuParser_T9","span":{"begin":3,"end":5},"obj":"IN"}],"text":"er of CO"}
LitCovid-TimeML
{"project":"LitCovid-TimeML","denotations":[{"id":"tok10","span":{"begin":3,"end":5},"obj":"IN"}],"text":"er of CO"}