PubMed:32133830 / 14-19
Annnotations
LitCovid-PAS-Enju
{"project":"LitCovid-PAS-Enju","denotations":[{"id":"EnjuParser_T2","span":{"begin":1,"end":4},"obj":"CC"}],"text":" and "}
LitCovid-TimeML
{"project":"LitCovid-TimeML","denotations":[{"id":"tok3","span":{"begin":1,"end":4},"obj":"CC"}],"text":" and "}