PubMed:31996494 / 150-154
Annnotations
LitCovid-PAS-Enju
{"project":"LitCovid-PAS-Enju","denotations":[{"id":"EnjuParser_T29","span":{"begin":0,"end":4},"obj":"VBP"}],"text":"have"}
LitCovid-TimeML
{"project":"LitCovid-TimeML","denotations":[{"id":"tok39","span":{"begin":0,"end":4},"obj":"VBP"}],"text":"have"}