PubMed:31967321 / 876-878
Annnotations
LitCovid-PAS-Enju
{"project":"LitCovid-PAS-Enju","denotations":[{"id":"EnjuParser_T136","span":{"begin":0,"end":2},"obj":"VB"}],"text":"be"}
LitCovid-TimeML
{"project":"LitCovid-TimeML","denotations":[{"id":"tok147","span":{"begin":0,"end":2},"obj":"VB"},{"id":"lookup19","span":{"begin":0,"end":2},"obj":"country_code"}],"text":"be"}