PubMed:32104915 / 1297-1309
Annnotations
LitCovid-PAS-Enju
{"project":"LitCovid-PAS-Enju","denotations":[{"id":"EnjuParser_T198","span":{"begin":0,"end":12},"obj":"VBN"}],"text":"demonstrated"}
LitCovid-TimeML
{"project":"LitCovid-TimeML","denotations":[{"id":"tok214","span":{"begin":0,"end":12},"obj":"VBN"},{"id":"event13","span":{"begin":0,"end":12},"obj":"OCCURRENCE"}],"text":"demonstrated"}