PubMed:31995857 / 958-960
Annnotations
LitCovid-PAS-Enju
{"project":"LitCovid-PAS-Enju","denotations":[{"id":"EnjuParser_T162","span":{"begin":0,"end":2},"obj":"TO"}],"text":"to"}
LitCovid-TimeML
{"project":"LitCovid-TimeML","denotations":[{"id":"tok174","span":{"begin":0,"end":2},"obj":"TO"},{"id":"lookup31","span":{"begin":0,"end":2},"obj":"country_code"}],"text":"to"}