PubMed:31967321 / 569-573
Annnotations
LitCovid-PAS-Enju
{"project":"LitCovid-PAS-Enju","denotations":[{"id":"EnjuParser_T92","span":{"begin":0,"end":4},"obj":"VBP"}],"text":"have"}
LitCovid-TimeML
{"project":"LitCovid-TimeML","denotations":[{"id":"tok98","span":{"begin":0,"end":4},"obj":"VBP"}],"text":"have"}