PubMed:32062875 / 1902-1908
Annnotations
LitCovid-PAS-Enju
{"project":"LitCovid-PAS-Enju","denotations":[{"id":"EnjuParser_T341","span":{"begin":0,"end":6},"obj":"CD"}],"text":"Twenty"}
LitCovid-TimeML
{"project":"LitCovid-TimeML","denotations":[{"id":"tok379","span":{"begin":0,"end":6},"obj":"CD"},{"id":"lookup39","span":{"begin":0,"end":6},"obj":"number"}],"text":"Twenty"}