PubMed:32133830 / 852-854
Annnotations
LitCovid-PAS-Enju
{"project":"LitCovid-PAS-Enju","denotations":[{"id":"EnjuParser_T137","span":{"begin":0,"end":2},"obj":"IN"}],"text":"at"}
LitCovid-TimeML
{"project":"LitCovid-TimeML","denotations":[{"id":"tok148","span":{"begin":0,"end":2},"obj":"IN"},{"id":"lookup17","span":{"begin":0,"end":2},"obj":"country_code"}],"text":"at"}