PubMed:32171193 / 1717-1725
Annnotations
LitCovid-PAS-Enju
{"project":"LitCovid-PAS-Enju","denotations":[{"id":"EnjuParser_T272","span":{"begin":0,"end":8},"obj":"VBN"}],"text":"produced"}
LitCovid-TimeML
{"project":"LitCovid-TimeML","denotations":[{"id":"tok316","span":{"begin":0,"end":8},"obj":"VBN"},{"id":"event18","span":{"begin":0,"end":8},"obj":"OCCURRENCE"}],"text":"produced"}