PubMed:32174267 / 95-102
Annnotations
LitCovid-PAS-Enju
{"project":"LitCovid-PAS-Enju","denotations":[{"id":"EnjuParser_T14","span":{"begin":0,"end":7},"obj":"VBN"}],"text":"learned"}
LitCovid-TimeML
{"project":"LitCovid-TimeML","denotations":[{"id":"tok15","span":{"begin":0,"end":7},"obj":"VBN"},{"id":"event11","span":{"begin":0,"end":7},"obj":"OCCURRENCE"}],"text":"learned"}