PubMed:32172546 / 45-49
Annnotations
LitCovid-PAS-Enju
{"project":"LitCovid-PAS-Enju","denotations":[{"id":"EnjuParser_T8","span":{"begin":2,"end":4},"obj":"IN"}],"text":"s by"}
LitCovid-TimeML
{"project":"LitCovid-TimeML","denotations":[{"id":"tok10","span":{"begin":2,"end":4},"obj":"IN"},{"id":"lookup3","span":{"begin":2,"end":4},"obj":"country_code"}],"text":"s by"}