PubMed:32176808 / 511-515
Annnotations
LitCovid-PAS-Enju
{"project":"LitCovid-PAS-Enju","denotations":[{"id":"EnjuParser_T87","span":{"begin":0,"end":4},"obj":"CD"}],"text":"four"}
LitCovid-TimeML
{"project":"LitCovid-TimeML","denotations":[{"id":"tok97","span":{"begin":0,"end":4},"obj":"CD"},{"id":"lookup16","span":{"begin":0,"end":4},"obj":"time"},{"id":"lookup17","span":{"begin":0,"end":4},"obj":"number"}],"text":"four"}