PubMed:32150360 / 2734-2735
Annnotations
LitCovid-PAS-Enju
{"project":"LitCovid-PAS-Enju","denotations":[{"id":"EnjuParser_T466","span":{"begin":0,"end":1},"obj":"CD"}],"text":"1"}
LitCovid-TimeML
{"project":"LitCovid-TimeML","denotations":[{"id":"tok512","span":{"begin":0,"end":1},"obj":"CD"}],"text":"1"}