PubMed:32133830 / 13-18
Annnotations
LitCovid-PAS-Enju
{"project":"LitCovid-PAS-Enju","denotations":[{"id":"EnjuParser_T2","span":{"begin":2,"end":5},"obj":"CC"}],"text":"n and"}
LitCovid-TimeML
{"project":"LitCovid-TimeML","denotations":[{"id":"tok3","span":{"begin":2,"end":5},"obj":"CC"}],"text":"n and"}