PubMed:32164400 / 1163-1165
Annnotations
LitCovid-PAS-Enju
{"project":"LitCovid-PAS-Enju","denotations":[{"id":"EnjuParser_T210","span":{"begin":0,"end":2},"obj":"IN"}],"text":"at"}
LitCovid-TimeML
{"project":"LitCovid-TimeML","denotations":[{"id":"tok267","span":{"begin":0,"end":2},"obj":"IN"},{"id":"lookup17","span":{"begin":0,"end":2},"obj":"country_code"}],"text":"at"}