PubMed:32134681 / 1660-1663
Annnotations
LitCovid-PAS-Enju
{"project":"LitCovid-PAS-Enju","denotations":[{"id":"EnjuParser_T298","span":{"begin":0,"end":3},"obj":"CC"}],"text":"and"}
LitCovid-TimeML
{"project":"LitCovid-TimeML","denotations":[{"id":"tok354","span":{"begin":0,"end":3},"obj":"CC"}],"text":"and"}