PubMed:32019667 / 256-259
Annnotations
LitCovid-PAS-Enju
{"project":"LitCovid-PAS-Enju","denotations":[{"id":"EnjuParser_T44","span":{"begin":0,"end":3},"obj":"IN"}],"text":"via"}
LitCovid-TimeML
{"project":"LitCovid-TimeML","denotations":[{"id":"tok51","span":{"begin":0,"end":3},"obj":"IN"}],"text":"via"}