PubMed:32149769 / 2408-2409
Annnotations
LitCovid-PAS-Enju
{"project":"LitCovid-PAS-Enju","denotations":[{"id":"EnjuParser_T384","span":{"begin":0,"end":1},"obj":"DT"}],"text":"a"}
LitCovid-TimeML
{"project":"LitCovid-TimeML","denotations":[{"id":"tok543","span":{"begin":0,"end":1},"obj":"DT"}],"text":"a"}