PubMed:32134681 / 310-313
Annnotations
LitCovid-PAS-Enju
{"project":"LitCovid-PAS-Enju","denotations":[{"id":"EnjuParser_T51","span":{"begin":0,"end":3},"obj":"CC"}],"text":"AND"}
LitCovid-TimeML
{"project":"LitCovid-TimeML","denotations":[{"id":"tok57","span":{"begin":0,"end":3},"obj":"CC"}],"text":"AND"}