PubMed:32118640 / 1845-1848
Annnotations
LitCovid-PAS-Enju
{"project":"LitCovid-PAS-Enju","denotations":[{"id":"EnjuParser_T289","span":{"begin":0,"end":3},"obj":"IN"}],"text":"vs."}
LitCovid-TimeML
{"project":"LitCovid-TimeML","denotations":[{"id":"tok335","span":{"begin":0,"end":2},"obj":"NNS"},{"id":"tok336","span":{"begin":2,"end":3},"obj":"."}],"text":"vs."}