PubMed:32049687 / 740-743
Annnotations
LitCovid-PAS-Enju
{"project":"LitCovid-PAS-Enju","denotations":[{"id":"EnjuParser_T135","span":{"begin":0,"end":3},"obj":"CD"}],"text":"2-5"}
LitCovid-TimeML
{"project":"LitCovid-TimeML","denotations":[{"id":"tok151","span":{"begin":0,"end":1},"obj":"CD"},{"id":"tok152","span":{"begin":1,"end":2},"obj":":"},{"id":"tok153","span":{"begin":2,"end":3},"obj":"CD"}],"text":"2-5"}