PubMed:32056407 / 745-754
Annnotations
LitCovid-PAS-Enju
{"project":"LitCovid-PAS-Enju","denotations":[{"id":"EnjuParser_T116","span":{"begin":0,"end":9},"obj":"NN"}],"text":"beginning"}
LitCovid-TimeML
{"project":"LitCovid-TimeML","denotations":[{"id":"tok132","span":{"begin":0,"end":9},"obj":"NN"}],"text":"beginning"}