PubMed:32102777 / 37-41
Annnotations
LitCovid-PAS-Enju
{"project":"LitCovid-PAS-Enju","denotations":[{"id":"EnjuParser_T5","span":{"begin":0,"end":2},"obj":"DT"}],"text":"An o"}
LitCovid-TimeML
{"project":"LitCovid-TimeML","denotations":[{"id":"tok7","span":{"begin":0,"end":2},"obj":"DT"}],"text":"An o"}