PubMed:32118640 / 2739-2742
Annnotations
LitCovid-PAS-Enju
{"project":"LitCovid-PAS-Enju","denotations":[{"id":"EnjuParser_T454","span":{"begin":0,"end":3},"obj":"IN"}],"text":"vs."}
LitCovid-TimeML
{"project":"LitCovid-TimeML","denotations":[{"id":"tok599","span":{"begin":0,"end":2},"obj":"NNS"},{"id":"tok600","span":{"begin":2,"end":3},"obj":"."}],"text":"vs."}