PubMed:32164400 / 112-116
Annnotations
LitCovid-PAS-Enju
{"project":"LitCovid-PAS-Enju","denotations":[{"id":"EnjuParser_T16","span":{"begin":1,"end":4},"obj":"CC"}],"text":" and"}
LitCovid-TimeML
{"project":"LitCovid-TimeML","denotations":[{"id":"tok19","span":{"begin":1,"end":4},"obj":"CC"}],"text":" and"}