PubMed:32110742 / 112-122
Annnotations
LitCovid-PAS-Enju
{"project":"LitCovid-PAS-Enju","denotations":[{"id":"EnjuParser_T19","span":{"begin":4,"end":6},"obj":"IN"}],"text":"ter of sev"}
LitCovid-TimeML
{"project":"LitCovid-TimeML","denotations":[{"id":"tok20","span":{"begin":4,"end":6},"obj":"IN"}],"text":"ter of sev"}