PubMed:32171865 / 1574-1577
Annnotations
LitCovid-PAS-Enju
{"project":"LitCovid-PAS-Enju","denotations":[{"id":"EnjuParser_T308","span":{"begin":0,"end":3},"obj":"CD"}],"text":"two"}
LitCovid-TimeML
{"project":"LitCovid-TimeML","denotations":[{"id":"tok345","span":{"begin":0,"end":3},"obj":"CD"},{"id":"lookup36","span":{"begin":0,"end":3},"obj":"time"},{"id":"lookup37","span":{"begin":0,"end":3},"obj":"number"}],"text":"two"}