PubMed:32044814 / 18-27
Annnotations
LitCovid-PAS-Enju
{"project":"LitCovid-PAS-Enju","denotations":[{"id":"EnjuParser_T2","span":{"begin":7,"end":9},"obj":"IN"}],"text":"istics of"}
LitCovid-TimeML
{"project":"LitCovid-TimeML","denotations":[{"id":"tok3","span":{"begin":7,"end":9},"obj":"IN"}],"text":"istics of"}