PubMed:32083985 / 850-851
Annnotations
LitCovid-PAS-Enju
{"project":"LitCovid-PAS-Enju","denotations":[{"id":"EnjuParser_T140","span":{"begin":0,"end":1},"obj":"DT"}],"text":"A"}
LitCovid-TimeML
{"project":"LitCovid-TimeML","denotations":[{"id":"tok153","span":{"begin":0,"end":1},"obj":"DT"}],"text":"A"}