PubMed:32061066 / 965-968
Annnotations
LitCovid-PAS-Enju
{"project":"LitCovid-PAS-Enju","denotations":[{"id":"EnjuParser_T181","span":{"begin":0,"end":3},"obj":"CD"}],"text":"4/9"}
LitCovid-TimeML
{"project":"LitCovid-TimeML","denotations":[{"id":"tok194","span":{"begin":0,"end":1},"obj":"CD"},{"id":"tok195","span":{"begin":1,"end":2},"obj":"NN"},{"id":"tok196","span":{"begin":2,"end":3},"obj":"CD"}],"text":"4/9"}