PubMed:31996494 / 655-660
Annnotations
LitCovid-PAS-Enju
{"project":"LitCovid-PAS-Enju","denotations":[{"id":"EnjuParser_T111","span":{"begin":0,"end":5},"obj":"VBN"}],"text":"based"}
LitCovid-TimeML
{"project":"LitCovid-TimeML","denotations":[{"id":"tok125","span":{"begin":0,"end":5},"obj":"VBN"}],"text":"based"}