PubMed:32104915 / 1136-1139
Annnotations
LitCovid-PAS-Enju
{"project":"LitCovid-PAS-Enju","denotations":[{"id":"EnjuParser_T173","span":{"begin":0,"end":3},"obj":"VBZ"}],"text":"has"}
LitCovid-TimeML
{"project":"LitCovid-TimeML","denotations":[{"id":"tok188","span":{"begin":0,"end":3},"obj":"VBZ"}],"text":"has"}