PubMed:32159237 / 705-709
Annnotations
LitCovid-PAS-Enju
{"project":"LitCovid-PAS-Enju","denotations":[{"id":"EnjuParser_T117","span":{"begin":0,"end":4},"obj":"CD"}],"text":"four"}
LitCovid-TimeML
{"project":"LitCovid-TimeML","denotations":[{"id":"tok125","span":{"begin":0,"end":4},"obj":"CD"},{"id":"lookup19","span":{"begin":0,"end":4},"obj":"time"},{"id":"lookup20","span":{"begin":0,"end":4},"obj":"number"}],"text":"four"}