PubMed:32035431 / 239-243
Annnotations
LitCovid-PAS-Enju
{"project":"LitCovid-PAS-Enju","denotations":[{"id":"EnjuParser_T44","span":{"begin":0,"end":4},"obj":"VBP"}],"text":"have"}
LitCovid-TimeML
{"project":"LitCovid-TimeML","denotations":[{"id":"tok50","span":{"begin":0,"end":4},"obj":"VBP"}],"text":"have"}