PubMed:32052466 / 373-379
Annnotations
LitCovid-PAS-Enju
{"project":"LitCovid-PAS-Enju","denotations":[{"id":"EnjuParser_T63","span":{"begin":0,"end":6},"obj":"NN"}],"text":"online"}
LitCovid-TimeML
{"project":"LitCovid-TimeML","denotations":[{"id":"tok70","span":{"begin":0,"end":6},"obj":"NN"}],"text":"online"}