PubMed:32052373 / 293-296
Annnotations
LitCovid-PAS-Enju
{"project":"LitCovid-PAS-Enju","denotations":[{"id":"EnjuParser_T39","span":{"begin":0,"end":3},"obj":"VBZ"}],"text":"has"}
LitCovid-TimeML
{"project":"LitCovid-TimeML","denotations":[{"id":"tok50","span":{"begin":0,"end":3},"obj":"VBZ"}],"text":"has"}