PubMed:31967321 / 1458-1466
Annnotations
LitCovid-PAS-Enju
{"project":"LitCovid-PAS-Enju","denotations":[{"id":"EnjuParser_T220","span":{"begin":0,"end":8},"obj":"VBN"}],"text":"reserved"}
LitCovid-TimeML
{"project":"LitCovid-TimeML","denotations":[{"id":"tok238","span":{"begin":0,"end":8},"obj":"VBN"}],"text":"reserved"}