PubMed:32112549 / 224-228
Annnotations
LitCovid-PAS-Enju
{"project":"LitCovid-PAS-Enju","denotations":[{"id":"EnjuParser_T34","span":{"begin":0,"end":3},"obj":"CC"}],"text":"and "}
LitCovid-TimeML
{"project":"LitCovid-TimeML","denotations":[{"id":"tok36","span":{"begin":0,"end":3},"obj":"CC"}],"text":"and "}