PubMed:32141570 / 297-299
Annnotations
LitCovid-PAS-Enju
{"project":"LitCovid-PAS-Enju","denotations":[{"id":"EnjuParser_T38","span":{"begin":0,"end":2},"obj":"IN"}],"text":"at"}
LitCovid-TimeML
{"project":"LitCovid-TimeML","denotations":[{"id":"tok43","span":{"begin":0,"end":2},"obj":"IN"},{"id":"lookup3","span":{"begin":0,"end":2},"obj":"country_code"}],"text":"at"}