PubMed:32176772 / 1663-1665
Annnotations
LitCovid-PAS-Enju
{"project":"LitCovid-PAS-Enju","denotations":[{"id":"EnjuParser_T338","span":{"begin":0,"end":2},"obj":"IN"}],"text":"at"}
LitCovid-TimeML
{"project":"LitCovid-TimeML","denotations":[{"id":"tok391","span":{"begin":0,"end":2},"obj":"IN"},{"id":"lookup54","span":{"begin":0,"end":2},"obj":"country_code"}],"text":"at"}