PubMed:32118640 / 2222-2225
Annnotations
LitCovid-PAS-Enju
{"project":"LitCovid-PAS-Enju","denotations":[{"id":"EnjuParser_T362","span":{"begin":0,"end":3},"obj":"IN"}],"text":"vs."}
LitCovid-TimeML
{"project":"LitCovid-TimeML","denotations":[{"id":"tok447","span":{"begin":0,"end":2},"obj":"NNS"},{"id":"tok448","span":{"begin":2,"end":3},"obj":"."}],"text":"vs."}