
PubMed:31992886 / 21-23
Annnotations
LitCovid-PAS-Enju
{"project":"LitCovid-PAS-Enju","denotations":[{"id":"EnjuParser_T3","span":{"begin":0,"end":2},"obj":"TO"}],"text":"to"}
LitCovid-TimeML
{"project":"LitCovid-TimeML","denotations":[{"id":"tok4","span":{"begin":0,"end":2},"obj":"TO"},{"id":"lookup2","span":{"begin":0,"end":2},"obj":"country_code"}],"text":"to"}